jueves, 24 de noviembre de 2011

HUMAN SEXUAL CHARACTERISTICS

There are two types of human sexual characteristics:

-Primary sexual characteristics enable human beings to reproduce. We have these when we are born.

-Secondary sexual characteristics differentiate men and women. They develop at puberty.

  - Men have lower voices, more developed muscles and a lot of facial and body hair.

  - Women have higher voices, breasts, wider hips and little body hair.

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