B5 - Heart Rate
- Created by: Pokemon/Trainer
- Created on: 03-06-16 14:07
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Heart Rate and Pacemaker Cells
When you exercise, your muscles require more oxygen. To do this, your body breathes faster and increases the heart rate.
Hormones can affect heart rate. E.g. adrenaline increases your heart rate to allow you to perform the fight or flight response.
Pacemaker cells tell your heart how fast to beat by…
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