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Animation E1, 3.1 Initiation of heart beat
Animation E1, 3.2 The cardiac cycle
OCR Biology A level - Initiation of the heartbeat
A Level Biology Revision "Initiation and Coordination of the Action of the Heart"
Initiation Of Heartbeat
Myocardium and Heart Wall physiology animation
Understanding Your Heart Beat
Initiation of heartbeat
Practical E1, 3.3 Study of the changes in heart rate before and after exercise using a data logger
ORIGIN AND CONDUCTION OF HEART BEAT
How the heart beats ❤️ | Easy to understand animation video
How the cardiac cycle is controlled and initiated