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Cleanliness is the key to health presentation of a lesson for an interactive whiteboard (senior group) on the topic. Clean hands are a guarantee of health Who goes in for sports gains strength

WHY WASH YOUR HANDS? We live in a world of countless
microorganisms. Almost everywhere we go
appeared and whatever we do, we inevitably
We collect pathogenic microbes on our hands. And this
especially dangerous, because, according to scientists, most often
people get sick by picking up an infection through
hand contact - touching the handrails in the bus, railings in
entrances, to shopping carts. enough, after
this, touch the mucous membrane of the mouth, nose or eyes and
pathogenic microorganisms can enter healthy
body. ... Besides now, when the weather makes us
spend more time in rooms where viruses
easily transmitted from one person to another, our
the body is particularly susceptible to infections.

DISEASES FROM DIRTY HANDS

1. Dysentery, which is accompanied by strong and sharp
cramping pains in the abdomen, drawing pains in
rectum and frequent stools (more than 10 times a day) often with
admixture of blood and mucus.
2. Salmonellosis, which is accompanied by frequent vomiting and pronounced
signs of poisoning. Body temperature only in mild cases
may remain normal.
3. Rotavirus and enterovirus infections also appear
frequent stools, in some cases - skin rash. Often they
accompanied by cold symptoms, due to which these infections in
people call it the stomach flu.
4. Typhoid fever first manifests itself in malaise and weakness, but
already in a couple of days the body temperature can rise to 40 ° C. Besides
In addition, insomnia, headache, diarrhea, or
constipation, bloating, rash on the chest and abdomen, loss of appetite. V
in severe cases, consciousness may be disturbed and even edema may occur
language.

DISEASES FROM DIRTY HANDS

5. Cholera proceeds without fever and is accompanied by
severe diarrhea. It is dangerous for dehydration. but
this dangerous disease is rarely ill at present, and
if they get sick, they bring him back from vacations in exotic countries.
6. Acute respiratory infections. In the season of colds
diseases, frequent handwashing is one of the main remedies
to prevent pathogenic microbes from entering the body. This
The method is effective for both bacteria and viruses. Regular washing
hands several times reduces the likelihood of contracting SARS. SARS and
known to all of us representative of this class of diseases influenza
especially dangerous for their complications, including inflammation
lungs, otitis, meningitis.
7. The hepatitis A virus can also be caught through contaminated
arms. Unwashed hands after going to the toilet or contaminated food
allow infection to enter the body. Then with the blood the virus
enters the liver and destroys its cells - hepatocytes.

DISEASES FROM DIRTY HANDS

8. Barley. They rubbed their eyes with a dirty hand - and at the edge of the eyelid
inflammation has occurred. At first, as a rule, there is itching and
a slight swelling, and a few days later - an abscess.
Barley itself is not considered a dangerous disease, but
meanwhile, improper treatment can lead to
the spread of purulent infection and, for example, meningitis,
blood infection.
Diseases of dirty hands are diseases that can always be
prevent. There are many ways to prevent, but here is
one of the most accessible

WASH HANDS - BY THE RULES

Proper hand washing includes the following steps:
1. Wet hands with warm running water and apply liquid
soap or use bar soap.
2. Rub your hands vigorously for at least 15-20 seconds.
3. Rub all surfaces, including the back of your hands,
wrists, between fingers and under nails, in case
If necessary, use a special brush.
4. Rinse your hands well with running water.
5. Dry your hands with a clean or disposable towel.
6. Use a tissue to turn off the faucet.

Always wash your hands:

ALWAYS WASH YOUR HANDS:
After playing sports;
After talking on the phone;
After traveling in transport;
After walking;
After contact with animals and animal waste;
Before and after cooking;
Before eating;
After you have sneezed or coughed into your hands;
Before and after treating wounds or cuts;
Before and after contact with a sick or injured person;
After contact with debris;
Before inserting or removing contact lenses;
After visiting public toilets;
After going to the toilet.

Smooth, fragrant, washes clean, Everyone needs to have What is it?

SMOOTH, FRAGRANT, WASHING CLEAN,
EVERYONE SHOULD HAVE
WHAT IT IS?

I carry water in me. Water will come in handy for us. You can wash without the hassle, If there is ....

I CARRY THE WATER
WE WILL NEED WATER.
CAN BE WASHED WITHOUT THE HASSLE,
IF THERE'S ….

To be healthy, strong, My face and hands with ...

TO BE HEALTHY, STRONG,
MY FACE AND HANDS WITH…

In the bathroom hanging dangling, Everyone grabs for it ...

IN THE BATHROOM HANGING DANGLE,
EVERYONE IS GOING FOR HIM...

He lay down in his pocket and guarded Reev, a crybaby and dirty. They will morning streams of tears, I will not forget about the nose.

GO INTO YOUR POCKET AND GUARD
ROARING, CRYING AND DIRTY.
THEM IN THE MORNING STREAMS OF TEARS,
I WILL NOT FORGET ABOUT THE NOSE.

Gum Akulinka Went to dance on the back. She's going to wash her back red-hot.

GUM ACULINKA
WENT TO DANCE ON THE BACK.
GOING TO SHE
WASH YOUR BACK RED.

The rain is warm and thick, This rain is not easy: It is without clouds, without clouds, Ready to go all day long.

THE RAIN IS WARM AND DENSE,
THIS RAIN IS NOT SIMPLE:
HE IS WITHOUT CLOUDS, WITHOUT CLOUDS,
ALL DAY READY TO GO.

Questionnaire

QUESTIONNAIRE
1. Do you always wash your hands after transport?
Yes. No. Sometimes.
2. Do you always wash your hands after going to
score?
Yes. No. Sometimes.
3. Do you always wash your hands after interacting with
animals?
Yes. No. Sometimes.
4. Do you always wash your hands after playing sports?
Yes. No. Sometimes.
5. Do you always wash your hands before eating?
Yes. No. Sometimes.
6. Do you always wash your hands after a walk?
Yes. No. Sometimes.

Memo HOW TO WASH YOUR HANDS CORRECTLY

REMINDER
HOW TO WASH YOUR HANDS CORRECTLY

Basic rules of personal hygiene:

BASIC RULES OF PERSONAL
HYGIENE:
The face should be washed in the morning after sleep, after playing,
before bedtime.
Legs - every day before bed.
Hands - after cleaning the room, toilet, playing,
walking, interacting with animals, working on
garden, travel in transport, before meals and
cooking.
Wash thoroughly once a week
in the bath (bath, shower).

slide 2

The tiny organisms that cause disease are called microbes. They can only be seen with a microscope.

The best-known types of microbes isolated by microbiologists are bacteria, molds, actinomycetes, and yeasts.

slide 3

Scientists have found methods for growing, or, as they say, cultivating microbes. Microbes are grown in a special nutrient medium - on meat and fish broths and decoctions. Gelatin or agar-agar is added to the broth; in this case, the nutrient medium takes the form of a jelly. On the surface of the jelly, a thin layer is smeared with a drop of soil diluted in it or another substance in which microbes live.

slide 4

Crops on a nutrient medium

  • slide 5

    Nutrient media with crops are grown and stored in thermostats - devices where a constant temperature is maintained.

    slide 6

    Stubborn microbes use any loophole to get into your body and begin to multiply there.

    Slide 7

    For every person, the most valuable thing is his health. If you are healthy, you can easily cope with any business. You can't buy health. It needs to be protected and strengthened. To do this, you need to: observe the regime of the day; eat right; brush your teeth, wash your face and comb your hair; take a shower after sleep - in the morning and before going to bed - in the evening; wash once a week with soap and a washcloth in the bath or shower; cut your nails and hair regularly; keep your clothes and shoes clean; alternate study with rest. Daily walks in the fresh air, exercise, sports, hardening strengthen your health. A good mood helps to maintain health.

    Slide 8

    Puzzles

    (Infection with worm eggs, fleas, lichen is possible) How can you do without soap in the forest? (Tinder fungi, “Dog soap”, “ash”, “Mylnyanka”). How to brush your teeth in the forest? Which tree relieves feet from sweat, smell, cracks? The juice of this plant is used instead of iodine, to remove warts, they wash their faces with infusion and wash their hair. (Charcoal, mint, split sprig of pine, spruce, oak). (Celandine). (Oak bark). The leaves and roots of this plant are used for bruises from pain. The leaves of this plant burn us. The juice from the leaves of this plant saves us. In the spring it is used for soup. Wash your head with a decoction - hair grows. (Nettle is a hemostatic, vitamin remedy, accelerates hair growth). (Plantain, burdock). Hair washed in a decoction of this plant acquires a golden hue, and when washed, the skin becomes soft and velvety. (Chamomile). Why can't pet unfamiliar dogs, cats?

    Slide 9

    Microbe

    Once upon a time there was one microbe, A clear mess. He had a dirty forehead, And his shirt was in the mud. He had a wife - a Gray microbe. She collected dust For food for testing. Even their daughters - Harmful bacilli - Caused loud sneezes and were afraid of soap. Microbes had their own home On my palm. They lived in it together With mice and a cat. But one day I found them under a microscope. I scrubbed my hand for a long time, To go to dinner.

    View all slides

    Goals:

    • give the concept of the word hygiene, convince the children of the need to observe the rules of personal hygiene, cleanliness in the house, on the street, in nature.
    • to promote the education in children of habits, and then the needs for a healthy lifestyle;
    • formation of skills for making independent decisions regarding the maintenance and strengthening of one's health.

    Equipment:

    • Color illustrations, photos on the topic “Healthy lifestyle”.
    • Envelope with riddles.
    • Demo cards.
    • Portrait of Grumpy-Muddy.
    • Reminders: "Rules of personal hygiene." (For each student).
    • Toothbrush, paste.
    • Poster: How to brush your teeth properly.
    • Cards: "It's interesting"
    • Cards with text and poems for children.

    Preparatory work: At the request of the teacher, the children collected color illustrations from old magazines, photographs on the topic: “Healthy lifestyle” and brought them to the class. A poster was made from the collected material. I distributed the texts “It's interesting” to well-read students in advance (3 students). Two girls learned the poem in advance. On the eve of the class hour, she addressed the children with the following request: “Whoever wants, bring a toothbrush, paste and a glass with you and who can show how to brush your teeth in class.”

    Lesson progress

    1. Message about the topic and purpose of the lesson.

    Hygiene. S.Taratuta

    What is hygiene
    The cat and the hyena know
    Brown bear, white bear,
    Hedgehog, dog and bee,
    That it is always not a sin to wash yourself,
    Wash paws and hooves
    Well, after that you can safely
    Get down to business!
    And the bee will not be allowed into the hive,
    Make her dirty
    And all they find
    Five specks of dust among the pollen.
    And the bird will always find
    Half a minute to wash
    And hurries down to the puddle,
    Even if there are chicks!
    How not to remember the raccoon here:
    For him, washing is work.
    For him, the foundation is the foundation -
    First mine, then nibble.
    Yes, and every pig
    Wants to be clean from the cradle
    And the poor man is innocent
    What is in the mud.

    Imagine people who stopped caring about cleanliness and order. They stopped washing their faces, brushing their teeth, and keeping their apartments clean. These people would stop cleaning their shoes, take care of their clothes, forget how to use a clean handkerchief. Is it possible to call such people beautiful? Healthy?

    People who always take care of their cleanliness, have a neat appearance and never get sick, and if they get sick, it is very rare.

    After all, if you wash your hands before eating, germs will not get into our intestines; if you wash your face in the morning after sleep, in the afternoon when you come from the street, and in the evening when you go to bed, our pores, which are many in the skin, will breathe easily and our body will not be painful. It will be strong and healthy.

    Cleanliness is the key to health. (On the board is the topic of the lesson, as well as color illustrations from magazines, photographs on the topic: “Healthy lifestyle”.)

    How do you understand the meaning of this statement? Explain.

    Today in our lesson we will talk about how to maintain your health by keeping your body clean, clean in the apartment, clean on the street, in nature.

    1. Topic conversation.
    1. 3 cuts.

    Guess the riddle: The loaf of white sheep is full. (Teeth)

    What helps us digest food? In order for food to be better digested in the stomach and intestines, it is moistened in the mouth with saliva and crushed with teeth. The first teeth, milk teeth, appear in a person in the first year of life. By the age of 6-7, there are 20 of them. Some of them have already fallen out, new, permanent ones have erupted in their place. By the age of 10-11, all milk teeth usually fall out, being replaced by permanent ones. If a person loses a permanent tooth, a new one will not grow in its place.

    S. Mikhalkov's poem “Like our Lyuba ...”

    Like our Luba
    Teeth hurt:
    Weak, fragile
    Baby, dairy...
    All day the poor thing moans,
    Drives away his girlfriends:
    - I'm not up to you today!
    Mom takes pity on the girl, Rinse in a cup warms,
    He doesn't take his eyes off his daughter.
    Papa Lyubochka regrets
    Glues a doll out of paper
    What to do with your daughter
    To relieve toothache?

    • Why do you think Luba's teeth hurt? (The tooth was damaged, there is a hole in it)
    • Why did the damage occur? (The teeth are covered with enamel. It is hard, protects the teeth from damage. But if the teeth are not properly cared for or eaten improperly, holes (caries) appear).

    The tooth is a living organ. A hole in a tooth always hurts. And bad teeth harm other organs - the heart, kidneys ...

    • What should be done if there is pain? (Visit a doctor)
    • What should you do to keep your teeth healthy?
    • What is bad for teeth?

    (on card) Harmful:

    • gnaw nuts;
    • eat very cold and very hot food;
    • eat food that is harmful to the teeth (especially a lot of sweets).

    I want to give you advice, you decide where yes, where no.
    If my advice is good, you clap your hands.
    To the wrong advice, say in unison: no.
    Constantly need to eat for your teeth
    Fruits, vegetables, scrambled eggs, cottage cheese, yogurt.
    If my advice is good
    You clap your hands.
    Do not gnaw a cabbage leaf,
    It's not very tasty at all.
    Better eat chocolate
    Waffles, sugar, marmalade.
    Is this the right advice?
    Not! Luba told her mother:
    I won't brush my teeth.
    And now our Luba
    A hole in every, every tooth.
    What will be your answer?
    Young love? Not!
    Shine to teeth to give,
    You need to take shoe polish.
    Squeeze half a tube
    And brush your teeth.
    Is this the right advice? Not!
    Oh, awkward Lyudmila,
    She dropped the brush on the floor.
    Picks up a brush from the floor
    Continue brushing your teeth.
    Who will give the right advice?
    Young Luda? Not!
    Always remember, dear friends,
    You can't go to sleep without brushing your teeth.
    If my advice is good
    You clap your hands.
    you brushed your teeth
    And go to sleep
    grab a bun
    Sweet in bed.
    Is this the right advice? Not!
    Remember this helpful tip:
    You can not gnaw on an iron object,
    If my advice is good
    You clap your hands.
    To strengthen teeth
    Good for chewing nails.
    Is this the right advice? Not!
    Well done, didn't blunder
    Correct advice given.
    Remember for 100 years
    What is good for teeth and what is not.

    Practicum "Toothbrushing".

    • How should you take care of your teeth? (After every meal, rinse your mouth, ympom and brush your teeth in the evening)
    • What does everyone need to have for dental care? (Requires toothbrush, paste)
    • How to brush your teeth properly? (Poster: “How to brush your teeth properly”)

    Did you have a delicious breakfast?
    You need to brush your teeth.
    Take a brush in your hand
    Let's apply toothpaste.
    And boldly set to work
    We brush our teeth skillfully:
    Top to bottom and right to left.
    From below - up and again to the left.
    Them outside, inside
    You carefully rub.
    So as not to suffer with teeth,
    We drive the brush in circles.
    Brush your teeth carefully
    After all, you can hurt your gums ...
    And what's next? And then
    We will rinse our teeth.
    We need a mug...
    Let's smile at each other
    Let's work smart
    To make your teeth whiter!

    Finishing the conversation about teeth, I would like to give a very good piece of advice:

    After eating, brush your teeth.
    Do this twice a day.
    Prefer fruit over candy
    Very important products.
    So that the tooth does not bother
    Remember this rule:
    We go to the dentist
    Twice a year for admission.
    And then smiles light
    Save for many years.

    1. Nails.

    Nails protect the fingertips from injury. But they can also become harmful to humans if they are grown and not kept clean. Then a large number of pathogenic microbes can accumulate under the nails. Nails should be trimmed regularly. On the arms once a week, on the legs once every 2-3 weeks (they grow more slowly). Before the procedure, it is recommended to hold the hands and feet in warm soapy water. Nails soften. The cut of the nail should be semicircular. If the nails are cut incorrectly, the sharp edges can grow into the skin and cause pain and inflammation.

    1. Hair.

    Mystery:

    I've been wearing them for many years
    I don't know the count.
    I don't sow, I don't plant
    They grow up on their own. (Hair)

    Your hair should be fine too. Scientists have determined that hair lives up to four years. For a year they manage to grow by 12-15 centimeters. In order for the hair to be healthy, thick, they need to be looked after, and above all, combed daily. When combing, the hair is cleaned of dust and dirt. Once a week, the head should be washed with hot water and shampoo. Hair must be trimmed regularly. Listen to what happened to the boy who didn't want to have his hair cut. (Reads prepared students)

    The boy does not want to get a haircut
    The boy crawls out of the chair
    Screams and pours
    Rests on legs.
    He's in the men's and women's room
    The whole parquet was filled with tears.
    The hairdresser is tired
    And the boy did not cut his hair.
    And the hair grows.
    A year has passed
    Another goes...
    The boy does not come to get a haircut,
    And the hair grows
    And the hair grows.
    Grow up, grow up
    They are braided...
    - Well, son, - said the mother,
    - I need to buy a dress.

    With boys everything is clear, but what about girls? Girls, often trying to be fashionable and beautiful, let their hair down. This, of course, can be beautiful, but not everywhere. While at school, you can’t let your hair down, because it will interfere with writing, a large bang will block the view. Walking down the street in windy weather, loose hair will scatter in different directions. In this form, you will look more like a witch than a beauty.

    1. Leather.

    Why does a person need skin? The human body contains a lot of water: if it were not covered with skin, the water would pour out or evaporate in the air. And then the person would become similar to prunes. The skin not only keeps water in the body, it also prevents it from getting inside. It secretes a kind of lubricant called sebum, which makes it waterproof. If the skin were not waterproof, then in the bath a person would swell up like a sponge.

    The skin provides excellent protection against germs. They can't penetrate her if she's healthy. The skin helps to adapt to heat and cold.

    Our skin is covered with tiny holes - pores. Some of them absorb oxygen from the air and help us breathe, others secrete fat that softens the skin, others - sweat, and with it some harmful substances that accumulate in the body. Dust and sweat clog the smallest pores of our skin. This causes the skin to become sluggish. It cleanses the body worse. (A well-read student, prepared in advance, reads).

    A long time ago, a rich man wanted to arrange a magnificent celebration in honor of his relative. In a solemn procession, chariots with the image of a statue were to appear. The rich man decided to find a pretty boy, cover him with gold paint and put him on a pedestal like a statue. The idea was approved.
    That same evening, the five-year-old son of a poor stonemason from a suburban village - the most beautiful child in the whole village - ran out into the street all golden from head to toe. He laughed merrily. But the child's joy was short-lived. Gradually, he began to feel some kind of heaviness. The whole body tightened, it was difficult to breathe. He did not sleep all night, and in the morning he was quite ill.
    With difficulty, the boy withstood the whole procession on the chariot, and when the holiday was over, he, forgotten by everyone, fell into the grass and lay there and groaned. It seemed to the boy that the terrible gold was strangling him, he lost consciousness and was delirious.
    After all, the golden paint tightly closed all the pores, the boy's skin became as if dead. In the morning the boy was shivering from the cold. Covered with thick gilding, his skin no longer warmed him. The Golden Boy died of pneumonia.

    Sad story. Very sorry boy. What conclusion can we draw for ourselves?

    1. Reading a poem by Y. Tuwim.

    My dear children!
    I am writing you a letter:
    I ask you to wash more often
    your hands and face.
    It doesn't matter what kind of water
    Boiled, key,
    From the river or from the well,
    Or just rain.
    Need to wash
    Morning, evening and afternoon
    Before every meal
    After sleep and before bed!
    Rub with a sponge and washcloth,
    Be patient - no problem!
    And ink and jam
    Rinse off soap and water.
    My dear children!
    Very, very much I ask you:
    Wash more often, wash cleaner -
    I can't stand dirty.
    I won't shake hands with dirty people
    I won't visit them!
    I wash myself very often.
    Goodbye! Your Tuvim.

    While we were talking, the Grumpy-Gryazyuchka came to our lesson.

    The teacher on behalf of Grumpy-Muddy says: And here I am, Grumpy-Muddy. I love guys who don't brush their teeth! Guys who don't wash their hands are my best friends! And how I love the guys who throw garbage anywhere!”.

    • Guys, don't any of you brush your teeth, wash your hands?
    • Let's explain to Grumpy-Muddy why you need to wash?
    • Why is it bad to be dirty?
    • Where does dirt accumulate most on the human body?
    • When should you wash your hands?
    • How should you wash your hands properly?

    (On the card): Plain water and soap make microbes weak.

    There are children in the world who do the opposite. For such children, G. Oster came up with his "Bad Advice".

    Never wash your hands
    Neck, ears and face.
    This is a stupid business
    Doesn't lead to anything.
    Hands get dirty again
    Neck, ears and face.
    (“Bad advice”).

    So why waste energy, waste time in vain?
    Getting a haircut is also useless, there is no point.
    By old age, the head will become bald by itself.

    • Do you take this advice?
    • Remember the fairy tale “Moydodyr” by K.I. Chukovsky.
    • What advice did Washbasin give? (All in unison, who knows)
    1. Summing up, development of rules of personal hygiene.

    (Distribute such handouts to each student. Appendix 1)

    And I would like to finish our lesson with a poem by L. Kukso “On the street”.

    Comrades!
    At school, in the theater, in the garden,
    In the subway and on the street width -
    Everywhere you must keep clean,
    Like in your own apartment.
    After all, the asphalt streets are a dark expanse
    And parks green groves -
    All this is our city, more precisely,
    Our huge living space.

    Guys, try to compose a fairy tale about how to defeat Grumpy-Muddy. (Appendix 2).

    Result: As you know, recommendations in an instructive, categorical form do not cause positive emotional emotions. And the result of my class hour surprised me. The children were interested in this activity. Most of the guys in the class responded to the request to write an essay on how to defeat Griznyuchka-Muddy. There were some interesting stories. More than once we returned to this topic, discussing compositions. They try to kick out the Angry-Gryaznyuchka from everywhere: from notebooks, from briefcases, from desks, from the classroom. Keep clothes clean and be sure to wash your hands before eating. Such classes form the installation of a healthy lifestyle in schoolchildren.

    Bibliography

    1. Korostelev N. B. “50 health lessons for small and large”. -Moscow. "Children's Literature", 1991.
    2. Encyclopedia "Everything about everything".
    3. Maksinyaeva M.D. Classes on life safety with younger schoolchildren. - M.: Creative center, 2002.
    4. Tarabarina T. I., Sokolova E. I. “Both study and play: natural history” Yaroslavl: “Academy of Development” 1997.

    "Sense organs in humans" - Language - ? Nose - ? Reliable body protection. Leather. A person sees objects, distinguishes colors, receives information about the world around him. Distinguishes the taste of food. 1.Thin. Ears - ? Takes care of human health. 2.Elastic. 3.Soft. Hears sounds, human speech. Human ability to smell. The organ of touch.

    "Cool hours about friendship" - Make new friends, but don't forget the old ones. Help a friend. Don't be greedy. Modesty Goodwill Sociability Responsiveness Kindness. Completed by the primary school teacher of the Saraktash secondary school No. 2 of the 1st category Garnastaeva T.M. There is no friend - look for, but found - take care. Do not be afraid to ask for forgiveness if you offended a friend.

    "The movement of the streets" - G.V. Alekseev. Causes of child road traffic injuries. Reducing road traffic injuries. Library Reading conversation books. Purpose: Clarify ideas about the street, road, sidewalk, cars. Give basic knowledge about behavior on the street. To acquaint with the concepts of "crossroads", "organized foot column".

    "Forest dangers" - Honey mushrooms. Teacher: Rudova Svetlana Mikhailovna. Inedible mushrooms. Bile mushroom. N. Rylenkov. Porcini. Henbane. 2. Wolf's bast. 1. Poisonous plants and berries. Raven eye. Stinging insects. The lesson of the surrounding world in grade 2 Forest dangers. 4. Forest dangers. Fly agaric. 3. False mushrooms. Lily of the valley.

    "Good luck" - Security. I. If the red circle is milky, Just a white spot. Cross the street on a green traffic light and never walk on a red light! Information and indication signs. road safety. E. 4. You can ride where cars drive. Road signs. Road. C. Prohibiting signs. Inspection.

    "The human body" - Can a child become. There are about 200 individual bones in the adult human body. Mikheeva Yu.V. primary school teacher Star City March 2008. Bones move muscles. Musculoskeletal system. Thanks to the flexible joints of the bones, you can run and jump. Lesson of the world around 3rd grade.

    There are 36 presentations in total in the topic

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