Your son has developed facial hair and now needs to shave; he also has developed much wider shoulders. These changes reflect the emergence of

Question

Quizplus · Accepted Answer

The development of facial hair and wider shoulders are examples of secondary sexual characteristics. These are physical features that develop during puberty that are not directly related to reproduction, but rather distinguish males and females as they mature. Primary sexual characteristics refer to the reproductive organs themselves, while tertiary sexual characteristics are more subtle cues of sexual maturity (such as body odor or voice changes). Peripheral sexual characteristics is not a recognized term in human biology.

Your Son Has Developed Facial Hair and Now Needs to Shave;