Without contractions of the atria, almost no blood would enter the ventricles during diastole. O True False
Without contractions of the atria, almost no blood would enter the ventricles during diastole. O True False
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:Without contractions of the atria, almost no blood would enter the ventricles during diastole.
O True
O False
Expert Solution

Step 1
Diastole can be described as a cardiac cycle phase during which heart muscle relaxes to fill the heart's chambers with blood. During atrial contraction, the atria's pressure increases, which generates a force causing blood flow into the ventricles across the atrioventricular valves.
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