The cells of $Leydig$ produce and secrete .......... .

Read the following paragraph with two blanks: Each testis has about $A$ compartments called as testicular lobules. Each lobule contains $B$ highly coiled seminiferous tubules in which the sperms are produced. The correct option for the two blanks is

$A$

$B$

The function of the prostate gland is:

Even with the contraction of the spermatic cord,the testes of a man are not pulled into the abdominal cavity. This is due to which of the following structures?

What is the condition called when the testes fail to descend into the scrotum in mammals?

Seminiferous tubules are found in