The diagram given below is the internal section of a testis of man. Study it carefully and answer the questions that follow:

(i) Label the parts 1 to 4 of the diagram.
(ii) State the functions of the parts labelled 1 and 2.
(iii) Draw a labelled diagram of a sperm.

Given below is a diagram of the lateral section of a testis of a man. Study the same and answer the questions that follow : Label the parts numbered 1 to 4 of the diagram.

The diagram given below shows a section of a human kidney. Study the diagram carefully and answer the questions that follow : Label the parts numbered 1 to 4.

Study the diagram and answer the questions that follow : Label the parts 1 - 4

Study the diagram and answer the questions that follow: Label the parts 1 - 4.

Study the diagram given below and answer the questions that follow : Label the parts 1 - 4.

Study the diagram given below and answer the questions that follow : Label the parts 1 - 4.

Study the diagram and answer the questions that follow : Label the parts 1 - 4.

Study the diagram and answer the questions that follow : Label the parts 1 - 4.

Study the diagram and answer the questions that follow : Label the parts 1-5

The diagram shown below is the longitudinal section of a testis of man. Study it carefully and answer the questions that follow : (i) Label the parts numbered 1 to 3 in the diagram. (ii) In which part of the testis are the sperms ? (iii) State the functions of the parts labelled 1 and 3 in the diagram. (iv) Name the cells that secrete Testosterone. (v) Draw a neat, labelled diagram of a sperm.