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Assertion : There is no mixing of oxygen...

Assertion : There is no mixing of oxygenated and deoxygenated blood in the human heart.
Reason : Valves are present in the heart which allows the movement of blood in one direction only.

A

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

B

Both A and R are true but R is NOT the correct explanation of A.

C

A is true but R is false.

D

A is false and R is true.

Text Solution

Verified by Experts

The correct Answer is:
B
There is no mixing of oxygenated and deoxygenated blood due to presence of inter-auricular and inter - ventricular septum. On the other hand, valves are present in the heart which allows the movement of blood in one direction only.
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