Assertion (A) : The foetus respires but does not breathe.

Reason (R): The maternal blood supplies oxygen to the foetus through placenta.

1. A is True and R is False
2. A is False and R is True
3. Both A and R are True
4. Both A and R are False

Draw a neat, labelled diagram of a human sperm.

The diagram given below shows a section of the human ovary.

(a) Name the process for the release of the part labelled 1.

(b) Write the name of the structure marked 2.