When is the maturation of the secondary oocyte completed?

The primordial germ cells make their appearance from the wall of

Identify the label $a$ in the given diagram.

Where does the process of $CAPACITATION$ of sperm occur?

The $Antrum$ is a cavity found in which of the following?

Spermatogonia undergo a series of cell divisions to produce sperms. Select the correct statements from the following:
$A$. Spermatogonia always undergo meiotic cell division.
$B$. Primary spermatocytes divide mitotically to produce secondary spermatocytes.
$C$. Secondary spermatocytes, through their second meiotic division, produce spermatids.
$D$. Spermatids produce spermatozoa through mitosis.
$E$. Spermatids transform into spermatozoa by spermiogenesis.
Choose the correct answer from the options given below: