Explain the process of lactation.
The mammary glands of the female undergo differentiation during pregnancy and starts producing milk towards the end of pregnancy by the process called lactation.
The milk produced during the initial few days of lactation is called colostrum which contains antibody $(\operatorname{Ig} \mathrm{A})$.
Breast-feeding during the initial period of infant growth is recommended by doctors for bringing up a healthy baby.
The synthesis of milk in mammary gland is done by prolaction of anterior pituitary.
Meroblastic cleavage refers to which type of division of egg
Which of the following is the group of external genitalia in human female?
The function of egg cell is/are
Identify the hormones that are secreted in large amount prior to ovulation :
$A.$ $LH$
$B.$ $FSH$
$C.$ $Estrogen$
$D.$ $Progesterone$
Egg which contains very little amount of yolk are called as