Other questions in this quiz

2. What changes occur to breathing and heart rate during exercise?

  • They both increase.
  • They both decrease.
  • They do not change.

3. What is meant by anaerobic respiration?

  • Not being able to breathe during exercise
  • Respiration without using oxygen
  • Build up of lactic acid.

4. Which substance is stored in the muscles and can be converted into glulose?

  • Starch
  • Glycogen
  • Amylase

5. What do muscles need more of during exercise?

  • Mitochondria
  • Energy
  • Water

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