Biology
Give biological reasons for the following :
The wall of the ventricle is thicker than the auricles.
Circulatory System
ICSE 2013
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Answer
Ventricles have thicker walls than auricles because they have to pump blood to different organs and the pressure with which the blood flows through them is more than the auricles. Therefore, the walls are thicker in ventricles than in auricles.
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