Biology GCSE
Coordination of contraction
What Coordination of contraction means in Biology GCSE, as defined for AQA.
Definition of Coordination of contraction
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Reference: AQA
The impulse spreads through the atria, causing them to contract, and then reaches the ventricles so that they contract slightly later, maintaining one-way flow.
Topics that use Coordination of contraction
- The heart and blood vessels (AQA GCSE)
Related terms
- arteries
- Capillaries
- Capillary network
- Closed system
- Diffusion
- double circulatory system
- Electrical signalling in the heart
- Gas exchange
Using Coordination of contraction in the exam
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