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This quiz contains 7 questions from a mix of 1 subtopics.

How exercise affects the body


oxygen / aerobic / contract / energy / heart


  1. In order to move during exercise, we have to and relax our muscles. 
  2. Muscular contraction requires though, which has to be released by cellular respiration. 
  3. Most of the time cells carry out respiration, which is far more efficient but requires . 
  4. This means that we have to pump oxygen around the body faster when we exercise. 
  5. As a result we increase both our rate and our breathing rate.
contract
energy
aerobic
oxygen
heart

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5

Cartoon character cycling at high speed.

Which type of respiration is more efficient, aerobic or anaerobic?

Aerobic respiration

Anaerobic respiration

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1

Illustration showing oxygen molecules required for aerobic respiration.

Which type of respiration requires oxygen, aerobic or anaerobic?

Aerobic respiration

Anaerobic respiration

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1

Which type of respiration leads to an oxygen debt, aerobic or anaerobic?

Aerobic respiration

Anaerobic respiration

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1

Which type of respiration leads to the build up of lactic acid, aerobic or anaerobic?

Aerobic respiration

Anaerobic respiration

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1

Illustration showing the liver, kidneys, and brain, which are involved in the removal of lactic acid from the blood.

Which organ in the body removes the lactic acid from the blood.

Liver

Kidney

Brain

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1

To measure a persons b rate, we can count how many times their chest rises and falls in a given amount of time. 

reathing

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1