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

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is incorrect but Reason is correct

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is incorrect but Reason is correct
The left ventricle has the thickest muscles. This chamber receives oxygenated blood from the lungs that is pushed into it via the left atrium and is often called the powerhouse of the heart.
Thus, the correct answer is 'C.'

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

The correct option is C Assertion is incorrect but Reason is correctThe left ventricle has the thickest muscles. This chamber receives oxygenated blood from the lungs that is pushed into it via the left atrium and is often called the powerhouse of the heart.Thus, the correct answer is 'C.'

The correct option is C Assertion is incorrect but Reason is correct
The left ventricle has the thickest muscles. This chamber receives oxygenated blood from the lungs that is pushed into it via the left atrium and is often called the powerhouse of the heart.
Thus, the correct answer is 'C.'