Question

Consider the following statements: Assertion (A): Placenta of human beings is described as haemochorial type. Reason (R): Chorionic villi of the foetus are dipped in the blood pools of uterine wall.

• A. Both (A) and (R) are correct, (R) is the correct explanation for (A)
• B. Both (A) and (R) are correct, (R) is not the correct explanation for (A)
• C. (A) is correct, but (R) is not correct
• D. (A) is not correct, but (R) is correct

Hint:

Human placenta = Haemochorial type Foetal chorionic villi are surrounded by maternal blood pools. This arrangement allows efficient exchange of oxygen, nutrients and wastes between mother and foetus.

Answer 1

The Correct Option is A