All valves are closed, ventricular pressure decreases. Blood flows passively through the atria and AV valves. Left atrium- Right atrium- Left ventricle- Right ventricle-

Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter9: Cardiac Physiology
Section9.3: Mechanical Events Of The Cardiac Cycle
Problem 2CYU
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All valves are closed,
ventricular pressure
decreases.
Blood flows passively
through the atria and
AV valves.
All valves are closed;
ventricular pressure
increases.
Blood is forced
through the semilunar
valves by high
pressure.
Receiving chamber
pressure increases;
more blood exits
through AV valves.
Left atrium:
Right atrium-
Left ventricle
Right ventricle-
Ventricular
filling
Atrial
contraction
Mid-to-late diastole
(ventricular filling)
Isovolumetric
Ventricular
contraction phase ejection phase
Ventricular systole
(atria in diastole)
Isovolumetric
relaxation
3
Early diastole
Transcribed Image Text:All valves are closed, ventricular pressure decreases. Blood flows passively through the atria and AV valves. All valves are closed; ventricular pressure increases. Blood is forced through the semilunar valves by high pressure. Receiving chamber pressure increases; more blood exits through AV valves. Left atrium: Right atrium- Left ventricle Right ventricle- Ventricular filling Atrial contraction Mid-to-late diastole (ventricular filling) Isovolumetric Ventricular contraction phase ejection phase Ventricular systole (atria in diastole) Isovolumetric relaxation 3 Early diastole
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