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Question
Give reason for the following:
Atrial wall is less muscular than the ventricular wall.
Solution
Atrial wall is less muscular than the ventricular wall because the major function of atria is
to receive blood from the body and pump in into very next ventricles. While the ventricles
pump the blood out of the heart. Right ventricle to the lungs and the left ventricle to all the
body parts.
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