Question

Assertion : Left atrium has the thickest muscles.
Reason : Right atrium receives blood from the lungs.

• A. If both assertion and reason are true and reason is the correct explanation of assertion
• B. If both assertion and reason are true but reason is not the correct explanation of assertion
• C. If assertion is true but reason is false
• D. If both assertion and reason are false

Answer 1

Answer: (D)

Left ventricle has thickest muscles because it pumps the blood to the whole body. Left atrium receives blood from the lungs.