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the making of a new life - Coggle Diagram
the making of a new life
how does the male reproductivesystem work ?
testosterone
pnis
seminal vesicle
ejaculation
what happens in puberty ?
hormones
primary sexsual characteristics
menstruation
secundary sexsual characteristics
how does the female reproductive system work
vegina
ovaries
vulva
uterus
what happen in pregnancy and birth
ovum
embryo
foetus
zygote
