Anatomical And Physiological Mechanisms


Anatomical and Physiological Mechanisms

How is it likely that Lance Armstrong has a resting heart rate of 32-34 bpm but his relaxing cardiac output is about the identical as an untrained person ?

His heart is stronger, besides being much larger. by pump (stroke, stroke), heart trained can output a larger volume of blood from an untrained person (called the untrained Joe Normal). So at rest, both Joe Armstrong and need to move the same volume of blood around a minute to keep everything peroxide. Each heartbeat Armstrong will move twice as much blood as a blow to Joe. ...
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