GCSE Biology – Oxygen debt
Learning Objectives
-I can explain how an oxygen debt can be repaid
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Question 1 of 25
1. Question
If an athlete has no deep breathing after exercise, what does this mean?
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Question 2 of 25
2. Question
What does deep breathing after exercise mean?
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Question 3 of 25
3. Question
Which type of respiration releases more energy?
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Question 4 of 25
4. Question
What is the name of the build-up of lactic acid?
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Question 5 of 25
5. Question
What is the definition of oxygen debt?
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Question 6 of 25
6. Question
What is another definition of oxygen debt?
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Question 7 of 25
7. Question
What is the other name for oxygen debt?
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Question 8 of 25
8. Question
What type of respiration leads to lactic acid build up?
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Question 9 of 25
9. Question
Why does aerboic respiration release more energy?
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Question 10 of 25
10. Question
What are the products in aerobic respiration?
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Question 11 of 25
11. Question
What are the products in anaerobic respiration?
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Question 12 of 25
12. Question
If an athlete cannot break down lactic acid, what happens?
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Question 13 of 25
13. Question
Why must lactic acid be removed?
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Question 14 of 25
14. Question
Why else must lactic acid be removed?
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Question 15 of 25
15. Question
What does needing oxygen to break down lactic acid mean?
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Question 16 of 25
16. Question
What happens if lactic acid is not completely removed?
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Question 17 of 25
17. Question
Where is lactic acid taken after it is formed?
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Question 18 of 25
18. Question
How is lactic acid moved to the liver?
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Question 19 of 25
19. Question
What happens to lactic acid in the liver?
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Question 20 of 25
20. Question
What happens when lactic acid is oxidised?
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Question 21 of 25
21. Question
What else can happen to lactic acid?
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Question 22 of 25
22. Question
What is the glucose then used for?
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Question 23 of 25
23. Question
What do these processes require?
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Question 24 of 25
24. Question
How long can it take to pay back oxygen debt?
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Question 25 of 25
25. Question
Why do breathing and heart rate not return to normal straight away?
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