that distinguish between the sexes, but--unlike the primary sex characteristics--are not directly part of the reproductive system. Secondary sexual characteristics that are specific to men include:
* Broadened shoulders;
* Increased body hair;
* An enlarged larynx (also known as an Adam's apple); and
* A voice that is significantly deeper than the voice of a child or a woman.

Men weigh more than women. On average, men are taller than