Mon Prof Augmenté
Heart and Moving Muscles
Age 10 · Health
When you exercise, your heart beats faster. It pumps more blood so oxygen reaches the muscles that are working.
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Age 10: open this week
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In the picture
- Heart: beats faster and pumps more blood.
- Vessel going to the leg: carries oxygen-rich blood to working muscles.
- Thigh muscle: uses more oxygen while running.
Examples
- Running to catch a bus
- Playing football in the park
Key takeaways
- Working muscles need extra oxygen.
- A faster heartbeat sends more oxygen-rich blood to muscles.
Quiz: Heart and Moving Muscles (Age 10)
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What happens to your heart when you exercise?
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When you exercise, why does your heart beat faster?
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What do working muscles need extra of during exercise?
The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.
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