Biology A (Salters-Nuffield) A-Level
Sinoatrial node (SAN)
What Sinoatrial node (SAN) means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of Sinoatrial node (SAN)
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Reference: Pearson Edexcel
Acts as a pacemaker by generating waves of depolarisation across the atria, causing atrial systole.
Topics that use Sinoatrial node (SAN)
- Topic 7: Run for your Life (Pearson Edexcel A-Level)
Related terms
- Aerobic respiration
- ATPase
- Biocompatibility
- Carbon dioxide production
- Cellular respiration pathways
- Chemiosmosis
- Coenzymes in respiration
- Electrocardiograms (ECGs)
Using Sinoatrial node (SAN) in the exam
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