Man - Biology and Gender

Biology and Gender

Humans exhibit sexual dimorphism in many characteristics, many of which have no direct link to reproductive ability, although most of these characteristics do have a role in sexual attraction. Most expressions of sexual dimorphism in humans are found in height, weight, and body structure, though there are always examples that do not follow the overall pattern. For example, men tend to be taller than women, but there are many people of both sexes who are in the mid-height range for the species.

Some examples of male secondary sexual characteristics in humans, those acquired as boys become men or even later in life, are:

  • more pubic hair
  • more facial hair
  • larger hands and feet than women
  • broader shoulders and chest
  • larger skull and bone structure
  • larger brain mass and volume
  • greater muscle mass
  • a more prominent Adam's apple and deeper voice
  • a longer shinbone

Read more about this topic:  Man

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