Location - function : Spermatid and Hyleuronidase
$(1)$ Location : As soon as head and middle part of a sperm enters into secondary oocyte, nucleus present in head is know as spermatid.
- Function : Spermatid unites with oocyte and form a zygote.
$(2)$ Location : It is an enzyme located in acrosome of sperm cell.
- Function : Hyleuronidase makes the entry of sperm in ovum possible in making hole in the wall of ovarian layer.
$I. $ Sperm cells immediately when they are released from the body and are placed in a petri plate remain alive for much longer duration.
$II.$ Semen contains chemicals that causes females smooth muscles to contract
Function of allantois in mammal is
The elastic tissue connecting the cauda epididymis to the scrotal sac is
The yolk plug is a structure in gastrula which is formed by the protrusion of
The female structures that corresponds (homologous) to the scrotum of the male are