$A$: $LH$ acts on Sertoli cells for release of certain factors required for spermatogenesis.
$R$: Spermiation occurs directly under the influence of $LH$.

$A.$ Humans reproduce .....
$B.$ Humans are $\ldots \ldots$
$C.$ Fertilization is .... in humans
$D.$ Male and female gametes are .....
$E.$ Zygote is .....
$F.$ The process of release of ovum from a mature follicle is called .....
$G.$ Ovulation is induced by a hormone called ......
$H.$ The fusion of male and female gametes is called .......
$I.$ Zygote divides to form ... which is implanted in the uterus
$J.$ The structure which provides vascular connection between the foetus and uterus is called ......
Fill in the blanks in the statements $A$ to $J$ above.

The female rabbit is classified as which of the following?

The eggs of a rabbit and a human are:

Explain the primary concept of the male and female reproductive systems.

Match the columns.

Column $I$	Column $II$
$(a)$ Mons pubis	$(1)$ Embryo development
$(b)$ Antrum	$(2)$ Sperm cell
$(c)$ Trophoblast layer	$(3)$ External genitals of female
$(d)$ Mitochondria	$(4)$ Graafian follicle