Question

The diagram given below is that of a developing human foetus. Study the diagram and then answer the questions that follows.

Mention any two functions of the part labelled B in the diagram.

Answer 1

$\bullet$ The placenta (part B) is a disc-like structure that attaches itself to the uterine wall.

$\bullet$ It is an intimate connection established between the foetal membranes and the uterine wall.

$\bullet$Placenta allows diffusion of substances from the mother to the foetus and from the foetus to the mother.

$\bullet$ It also produces female hormones like oestrogen and progesterone, similar to endocrine glands.