Diastole Notes: Definitions & Explanations PDF | Download eBooks
Study Diastole lecture notes PDF with biology definitions and explanation to study “What is Diastole?”. Study diastole explanation with biology terms to review biology course for online degree programs.
Diastole Definition:
Relaxation phase of the cardiac cycle is called diastole.
Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson
Diastole Notes:
Diastole is the part of the cardiac cycle during which the heart refills with blood after the emptying done during systole (contraction). Ventricular diastole is the period during which the two ventricles are relaxing from the contortions of contraction, then dilating and filling; atrial diastole is the period during which the two atria likewise are relaxing, dilating, and filling. For a healthy human heart the entire cardiac cycle typically runs less than one second. That is, for a typical heart rate of 75 beats per minute (bpm).
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