Human female reaches menopause at the age of about
$25$ years
$35$ years
$50$ years
$70$ years
What is the significance of epididymis in male fertility ?
Given below is a diagrammatic sketch of a portion of human male reproductive system. Select the correct set of the names of the parts labelled $A, B, C, D.$
Ejaculation of semen
Chorion is composed of
In the egg of bird, shell and shell membranes are