Question

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 produced?
(iii) State the functions of the parts labelled 1 and 3 in the diagram.

Answer 1

(i) 1 – Scrotum, 2 – Vas deferens, 3 – Epididymis
(ii) Sperms are produced in seminiferous tubules.
(iii) 1 (Scrotum) – Provides lower temperature than the actual body temperature which is required for the production and survival of sperms.
2 (Vas deferens) – Carries sperms from the epididymis to the  urethra.
3 (Epididymis) – Sperms mature and are stored.