Please share if you like this video. The heart's conductions system controls the generation and ...
Anatomy & Physiology Online - Cardiac conduction system and its relationship with ECG
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Correlation Between Psychological and Physiological Human Stress on Horse Heart Rate and Behavior
Heart rate, or heart pulse, is the speed of the heartbeat measured by the number of heartbeats per unit of time -typically beats per minute (bpm). The heart rate ...