Biology, asked by pmbhange, 1 year ago

why the atrium is smaller in size than ventricle?

Answers

Answered by kashif732
0
Ventricles have thicker walls than atria and generate higher blood pressures. The physiological load on the ventricles requiring pumping of blood throughout the body and lungs is much greater than the pressure generated by the atria to fill the ventricles.
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