How does exercise affect the exchanges taking place within the body? AQA B3

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  • Created by: LaurenE
  • Created on: 18-05-12 18:54

The energy that is released during respiration is used to enable your muscles to contract. During exercise, a number of changes take place:

  • The heart rate increases
  • The rate and depth of breathing increases
  • The arteries supplying the muscles dilate

These changes increase the blood flow to the muscles and so increase the supply of sugar and oxygen and increase the rate…

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