Embryo what are the zygote becomes after it gets bigger.
Fertilization is the process when an egg cell and a sperm cell unite in one of the Fallopian tubes.
The female sex cell produced in the ovaries.
Sperm are male sex cells.
Pregnancy is the period from the moment of fertilization until the birth of the baby.
Zygote is the first cell of a new human being produced by the union of egg and sperm cells.
Plancenta an organ that passes nutrients and oxygen from the mother to the embryo in the uterus.
