Hat is ovulation? What happens to the Graafian follicle after ovulation?

Study the sectional view of human testis showing seminiferous tubules given below. Answer the questions that follow.
Write the functions of a and d.

Study the figure given below and answer the questions that follow:
Identify ‘a’ in the figure and mention its function.

How is the milk production regulated by hormones in human female? Explain.

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

List the four different human male accessory ducts.

Except endocrine function, what are the other functions of placenta.

What is the number of chromosomes in the following cells of a human male?
Spermatogonial cells.

What is the number of chromosomes in the following cells of a human male?
Sertoli cells.

What is the number of chromosomes in the following cells of a human female?
Ootid.