Biology GCSE
Electrical signalling in the heart
What Electrical signalling in the heart means in Biology GCSE, as defined for AQA.
Definition of Electrical signalling in the heart
Check what you remember
Read the wording for your board, then hide it and explain Electrical signalling in the heart in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
A group of specialised cells in the wall of the right atrium generates electrical impulses, and the resulting wave of electrical activity coordinates contraction.
Topics that use Electrical signalling in the heart
- The heart and blood vessels (AQA GCSE)
Related terms
- arteries
- Capillaries
- Capillary network
- Closed system
- Coordination of contraction
- Diffusion
- double circulatory system
- Gas exchange
Using Electrical signalling in the heart in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Biology questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Biology GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge