Mack's broadening shoulders at age 13 reflect the emergence of
A) primary sex characteristics.
B) secondary sex characteristics.
C) tertiary sex characteristics.
D) All of these

Question

Quizplus · Accepted Answer

The broadening of shoulders is an example of a secondary sex characteristic, which includes physical changes that are not directly related to reproduction but are still important indicators of sexual maturity. Primary sex characteristics refer to the development of reproductive organs and are not typically visible on the exterior of the body. Tertiary sex characteristics are less well-defined and may refer to social or cultural indicators of gender.

Mack's Broadening Shoulders at Age 13 Reflect the Emergence of