Gametes - Sex cells., Zygote - Formed by the fusing of the nucleus of an ovum (egg) with the nucleus of a sperm., Embryo - A ball of cells that grows from a fertilised ovum. , Foetus / Fetus - An unborn child. , Baby - A child that has left its mother's body., Sperm cell - The male sex cell., Ovum (egg cell) - The female sex cell., Puberty - Then the body changes from a child's body to an adult's. ,

Reproduction and feotal development vocab activity.

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