Atrial walls are thinner as compared to ventricles because: | Examoo

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MDCAT Biology QUESTION #4242

Question 1

Atrial walls are thinner as compared to ventricles because:

Atria are small in size
Atria are present above the ventricles
Atria have to force blood above the ventricles which lie very close to them✔️
Blood enters into the atria by osmosis

Correct Answer Explanation

Atria pump blood short distance to ventricles.