Question

Placenta is

• A. a cord that connects the foetus with the wall of mother's uterus
• B. a part of mother's uterine wall through which the exchange of materials between the mother and the foetus takes place
• C. a part of foetus through which exchange of materials between the foetus and mother takes place
• D. chorionic villi of foetus through which chemical exchange between the foetus and the mother takes place

Answer 1

The correct option is B

a part of mother's uterine wall through which the exchange of materials between the mother and the foetus takes place

The correct option is B.

Explanation of correct option:

1. Placenta is a structure through which the embryo is connected to the uterus of the mother.
2. It consists of the endometrial lining of the mother and chorionic villi of foetus.
3. It is responsible for exchanging oxygen, food, carbon dioxide and excretory wastes between mother and foetus.

Final answer: Placenta is a part of mother's uterine wall through which the exchange of materials between the mother and the foetus takes place.