GCSE Biology – Exercise
Learning Objectives
-I can recall the need for energy during exercise
-I can describe the effect of exercise on the body
-I can define the term oxygen debt
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Question 1 of 25
1. Question
What gets oxygen into the body?
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Question 2 of 25
2. Question
What moves oxygen around the body?
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Question 3 of 25
3. Question
What do muscles need energy for?
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Question 4 of 25
4. Question
Why might there be insuffcient oxygen for muscles?
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Question 5 of 25
5. Question
Why else might there be insuffcient oxygen for muscles?
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Question 6 of 25
6. Question
What happens when muscles can’t get enough oxygen?
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Question 7 of 25
7. Question
What is a physical effect on the body from exercise?
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Question 8 of 25
8. Question
What is a physical effect on the body from exercise?
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Question 9 of 25
9. Question
What happens to heart rate when we exercise?
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Question 10 of 25
10. Question
Why does heart rate increase when we exercise?
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Question 11 of 25
11. Question
What happens to breathing volume when we exercise?
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Question 12 of 25
12. Question
Why does breathing volume increase when we exercise?
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Question 13 of 25
13. Question
What happens to breathing rate when we exercise?
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Question 14 of 25
14. Question
Why does breathing rate increase when we exercise?
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Question 15 of 25
15. Question
What else does an increased breathing rate do?
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Question 16 of 25
16. Question
Why do muscles need more energy when exercising?
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Question 17 of 25
17. Question
Why do glycogen reserves in the muscles go lower during exercise?
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Question 18 of 25
18. Question
How much can muscles contract with anaerobic respiration?
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Question 19 of 25
19. Question
What is formed in anaerobic respiration that builds up in the body?
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Question 20 of 25
20. Question
Why do muscles contract less efficiently with anaerobic respiration?
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Question 21 of 25
21. Question
What type of respiration occurs to form lactic acid?
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Question 22 of 25
22. Question
What is the name of the build-up of lactic acid?
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Question 23 of 25
23. Question
What is the definition of oxygen debt?
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Question 24 of 25
24. Question
How is lactic acid broken down?
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Question 25 of 25
25. Question
What does lactic acid break down into?
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