Distinguish between the functions of ovaries and testes.

How does the embryo get nourishment inside the mother’s body?

What changes are observed in the uterus if the fertilisation does not occur?

In the given figure label the parts and mention their functions

i. Production of egg

ii. Site of fertilisation

iii. Site of implantation

iv. Entry of the sperms

Explain the phenomenon of regeneration with the help of a diagram. How is regeneration different from reproduction?