Section 2 wordlist 
Birth – the
instance of being born. 
Fetus – a young
animal before birth after the organs have started to develop. 
Pregnant –
when a woman has a fetus or zygote inside her. 
Orifice –
an opening in the body.
Internal –
inside
Hollow – with
nothing inside
Cycle – a circular
schedule
Fertilize –
to unite female and male sex cells.
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