GCSE Biology – Exercise – Primrose Kitten

GCSE Biology – Exercise

Last updated: 20/05/2020

Edexcel GCSE Science – Biology higher Health, disease and the development of medicines 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?
- The Lungs
- The Kidneys
- The Heart
- The Eyes
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Question 2 of 25

2. Question
What moves oxygen around the body?
- The Heart
- The Lungs
- The Eyes
- The Kidneys
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Question 3 of 25

3. Question
What do muscles need energy for?
- To contract and work
- To reproduce and work
- To destroy antibodies and work
- To destroy antigens and work
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Question 4 of 25

4. Question
Why might there be insuffcient oxygen for muscles?
- If an individual does vigorous exercise
- If an individual does less exercise
- If an individual does no exercise
- If an individual does not move for an extended period of time
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Question 5 of 25

5. Question
Why else might there be insuffcient oxygen for muscles?
- If an individual does exercise for a long time
- If an individual does less exercise
- If an individual does not move for an extended period of time
- If an individual does no exercise
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Question 6 of 25

6. Question
What happens when muscles can’t get enough oxygen?
- They anaerobically respire
- They stop respiration
- They aerobically respire
- They undergo photosynthesis
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Question 7 of 25

7. Question
What is a physical effect on the body from exercise?
- Panting
- Shivers
- Coldness
- Slow breaths
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Question 8 of 25

8. Question
What is a physical effect on the body from exercise?
- Hotness
- Coldness
- Flu symptoms
- Shivers
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Question 9 of 25

9. Question
What happens to heart rate when we exercise?
- It increases
- It doesn't change
- It goes to 0
- It decreases
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Question 10 of 25

10. Question
Why does heart rate increase when we exercise?
- To supply the muscles with the extra oxygen
- To supply the muscles with less oxygen
- To supply the muscles with more water
- To supply the muscles with more carbon dioxide
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Question 11 of 25

11. Question
What happens to breathing volume when we exercise?
- It increases
- It goes to 0
- It decreases
- It doesn't change
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Question 12 of 25

12. Question
Why does breathing volume increase when we exercise?
- To bring more oxygen into the body
- To bring more glucose into the body
- To bring more carbon into the body
- To bring more water into the body
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Question 13 of 25

13. Question
What happens to breathing rate when we exercise?
- It increases
- It decreases
- It goes to 0
- It doesn't change
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Question 14 of 25

14. Question
Why does breathing rate increase when we exercise?
- To bring more oxygen into the body
- To bring more carbon into the body
- To bring more water into the body
- To bring more glucose into the body
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Question 15 of 25

15. Question
What else does an increased breathing rate do?
- Remove more waste carbon dioxide from the body
- Remove more waste glucose from the body
- Remove more waste urea from the body
- Remove more waste oxygen from the body
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Question 16 of 25

16. Question
Why do muscles need more energy when exercising?
- As they are contracting and working more
- As they are reproducing and working more
- As they are reproducing and working less
- As they are contracting and working less
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Question 17 of 25

17. Question
Why do glycogen reserves in the muscles go lower during exercise?
- As more glucose is used for respiration
- As less glucose is used for respiration
- As less respiration takes place
- As the same amount of respiration takes place per minute
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Question 18 of 25

18. Question
How much can muscles contract with anaerobic respiration?
- Less as they are less efficient
- More as they are more efficient
- The same amount as they can respire aerobically
- They cannot respire at all anaerobically
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Question 19 of 25

19. Question
What is formed in anaerobic respiration that builds up in the body?
- Lactic acid
- Oxygen
- Glucose
- Urea
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Question 20 of 25

20. Question
Why do muscles contract less efficiently with anaerobic respiration?
- As lactic acid builds up
- As carbon dioxide is depleted
- As oxygen builds up
- As glucose builds up
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Question 21 of 25

21. Question
What type of respiration occurs to form lactic acid?
- Anaerobic
- Aerobic
- Oxidation
- Filtration
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Question 22 of 25

22. Question
What is the name of the build-up of lactic acid?
- Oxygen debt
- Oxygen rich
- Oxygen poor
- Carbon dioxide debt
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Question 23 of 25

23. Question
What is the definition of oxygen debt?
- The build up of lactic acid from anaerobic respiration
- The build up of lactic acid from aerobic respiration
- The build up of glucose from anaerobic respiration
- The build up of glucose from aerobic respiration
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Question 24 of 25

24. Question
How is lactic acid broken down?
- It is oxidised
- It is reduced
- It is burnt
- It is electrolysed
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Question 25 of 25

25. Question
What does lactic acid break down into?
- Carbon dioxide + water
- Carbon dioxide + oxygen
- Oxygen + water
- Glucose + water
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