Biology A-Level
atrial systole
What atrial systole means in Biology A-Level, as defined for AQA.
Definition of atrial systole
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Reference: AQA
The atria contract, atrial pressure rises above ventricular pressure, the atrioventricular valves are already open and atrial contraction completes ventricular filling.
Topics that use atrial systole
- Mass transport in animals (AQA A-Level)
Related terms
- affinity
- affinity for oxygen
- Atrioventricular valves
- biconcave disc
- Biological drawing conventions
- Bohr effect
- Causation
- Conflicting evidence
Using atrial systole in the exam
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