biology B3

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  • Created by: Laura
  • Created on: 16-04-10 09:47

During Exercise:

  • Heart rate Increases
  • Rate and depth of breathing Changes
  • Arteries Dilate

These changes help to provide oxygen and glucose to muscles and removes carbon dioxide quickly.

  • The heart rate can also be altered by hormones such as; adrenaline.
  • This hormone makes the heart rate increase, and respond better to danger.

How much does the Heart Rate Change?

  • To measure your resting heart rate, your pulse rate is taken, this can be taken by either your neck or wrist.
  • Pulse rate is

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