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Primary Sexual Characteristics
Physical characteristics present at birth.
Primary Sexual Characteristics
The sexual and reproductive organs
Gonad in embryo
In 5 weeks, this sexual gland develops in the embryo
Testosterone
Androgen
Hormones that men produce
Estrogen
Progesterone
Hormones that women produce
Ovulation Period
Hormones produce greater when women are in this stage
14 days after the 1st day of menstruation
When does an ovulation period happen
Secondary Sexual Characteristics
Develops during the onset of puberty
Secondary Sexual Characteristics
Develops the sexual and reproductive organ.