transporting substances around the body

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  • Created by: linda
  • Created on: 03-05-11 16:00

The effect of exercise

*When we exercise our heart rate increases, and the blood vessels supplying the muscles dilate. this allows more blood and glucose to reach the muscles

*breathing rate increases, this allows a greater intake of oxygen and release of co2 at the lungs.

*you may also use up glycogen which is a storage compound of glucose stored in the muscles.

* arteries supplying the muscles dilate

*these changes increase the…


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