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МатематикаВопрос:
3 What do your muscles need to work for a long time?
Ответ:
Ответ:
Your muscles need oxygen and energy to work for a long time.
Краткое пояснение: Мышцам нужен кислород и энергия для продолжительной работы.
Пошаговое решение:
- Для продолжительной работы мышцам необходим кислород, который помогает им производить энергию.
- Также мышцам нужна энергия, получаемая из пищи, чтобы поддерживать свою активность в течение длительного времени.
Ответ: Oxygen and energy
Grammar Ninja
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- 2 Your ___________ take in more air.
- 3 Your ___________ beats faster.
- 4 Your ___________ takes oxygen and food to your muscles.
- 5 Your ___________ feels hot.
- 6 You make sweat. When your skin dries, you ___________
- 3 Circle the correct words. 1 Your muscles need/ don't need oxygen to work well for a long time.
- 2 When you swim, you breathe faster / slower.
- 3 Swimming makes you fatter / more healthy.
- 4 When your body works very hard, your muscles can / can't get all the oxygen that they need.
- 5 You can only run fast for a long / short time.
- 6 Running fast makes your muscles bigger / smaller.
- 4 Answer the questions. 1 Why do you breathe faster when you do exercise?
- 2 What does sweat do?
- 4 What happens when your body works very hard?
- 5 What exercises can you do for a long time?
- 6 What exercise can you only do for a short time?
- 8 Protect Your Body Read pages 18-19. 1 Write the words.
- 3 Complete the sentences. cool down lights legs breathe arms muscles equipment 1 When you warm up your ___________, they move more easily.
- 2 Stretching exercises help you to move your ___________ and ___________ easily.
- 3 Remember to ___________ well when you do exercise.
- 4 After exercise you should ___________ your muscles, so that they don't get sore.
- 5 Use the right ___________ to protect your head and body.
- 6 Always use ___________ when you cycle in the dark.
- 4 Find and write the words. 1 three ways to warm up your muscles
- 2 two ways to cool down your muscles
- 3 three ways to stay safe when you do exercise
- 2 Complete the chart.
