Question
a.
Dup- Sudden opening of semilunar valves at the beginning of ventricle diastole
b.
Lubb- Sharp closing of AV valves at the beginning of ventricular systole
c.
Pulsation of radial artery valves in blood vessels
d.
Initiation of heart beat- Purkinji fibers
Posted under Body Fluid and Circulation Human Anatomy and Physiology
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