Question

Which of the following statements are correct? 

I. Umbilical cord connects the placenta to the abdomen of foetus. 

II. Placenta acts as an endocrine tissue and produces several hormones. 

III. Placenta helps in the exchange of nutrients between mother and foetus.

Choose the correct option. 

(a) I and II 

(b) II and III 

(c) I and III 

(d) All of these

Answer 1

Correct option: (d) All of these

Placenta acts as a barrier between the foetus and the mother. It is contributed by both foetal and maternal tissue. It synthesises large quantities of proteins and some hormones such as hCG, chorionic thyrotropin, oestrogens, progesterone, etc.