People have external sex organs {genitals}|.
Fetal umbilical cords, cut after birth, leave remnants {navel}|.
Hairy skin {pubes}| is over pubic bone.
Primary sexual characteristics {sexual characteristic} are sexual organs. Secondary sexual characteristics are body-hair distribution, breast shapes, muscle sizes, and arm and leg carrying angles. Tertiary sexual characteristics are behaviors associated with being masculine and feminine. Male and female sex roles differ in different cultures.
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Date Modified: 2022.0225