4. Scrotum
The testes are inside a sac called the
scrotum.
It hangs outside the body, keeping the
sperm cool.
Sperms only develop properly in cool
conditions.
9. Ovaries
The ovaries are the female sex organs.
They produce the eggs or ova.
Ovum is the singular, ova is the plural.
10. Uterus
The egg slowly moves down towards the
uterus (womb).
If sperms are present in the egg tube the
egg will be fertilised.
If the egg is not fertilised it will dies after
about a day.
11.
12.
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