Question

1. Give reasons for the following:
a. The muscular walls of ventricles are thicker than the walls of atria
b. Arteries have thick elastic walls.
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Answer 1

Answer:

1.because blood flows with high pressure in ventricles than atria so walls are made thick

Answer 2

Hello Friend

Ventrucles have thick muscular walls than atrium because the blood from various parts of body comes directly to ventricles so it creates a high blood pressure so in order to compensate the B.P. ventricles have muscular walls.

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