What is Adolescence ?
The period of development from the childhood to adult .
The period of development from the childhood to adult .
It is a cyclic bleeding or a series of changes in the ovary and uterine wall of a non-pregnant female at intervals of 28 days on an average.
A blood rich tissue through which the materials like Oxygen and nutrients pass from the mother to the embryo.
The close attachment of the embryo with the uterus.
The developing zygote is called Embryo.
A fertilised egg resulting from the union of two gametes.
The reproduction in which sex cells are involved.
The reproduction in which no sex cells are involved.
Undeveloped embryonic shoot which will grow into a flower or new stem.
The single sex cell involved in fusion during sexual reproduction.