Define capacitation.

Study the sectional view of human testis showing seminiferous tubules given below. Answer the questions that follow:
Identify a, b and c.

Name the muscular and glandular layers of human uterus. Which one of these layers undergoes cyclic changes during menstrual cycle? Name the hormone essential for the maintenance of this layer.

Women experience two major events in their life time, one at menarche and the second at menopause. Mention the characteristics of both the events.

What is corpus luteum? Under what conditions does it undergo degeneration?

Differentiate between morula and blastula.

Draw a labelled diagram of a part of the transverse section through seminiferous tubule of human testis showing the various stages of spermatogenesis.

Mention the fate of corpus luteum and its effect on the uterus in absence of fertilisation of the ovum in a human female.

What are the major functions of male accessory ducts and glands?

Give reasons why the human testes are located outside the abdominal cavity.