Given below are two statements. One is labelled Assertion (A) and the other is labelled Reason (R).
Assertion (A): Double circulation occurs in humans.
Reason (R): Oxygenated blood passes through the right side of the heart and deoxygenated blood passes through the left side of the heart.
In light of the above statements, choose the correct answer from the options given below.

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Both (A) and (R) are true and (R) is the correct explanation of (A).

Both (A) and (R) are false.

(A) is true but (R) is false.

Both (A) and (R) are true but (R) is not the correct explanation of (A).

answer is C.

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Detailed Solution

The assertion (A) is true. In double circulation in humans, the pulmonary circulation involves the flow of deoxygenated blood to the lungs for oxygenation, and the systemic circulation involves the transport of oxygenated blood to the rest of the body.

The reason (R) is false. Oxygenated blood passes through the left side of the heart, and deoxygenated blood passes through the right side of the heart, but not vice versa.

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