Which statement about sex differences in adolescence is true?
A) Girls' legs are longer than boys' in relation to the rest of the body.
B) Boys start to add fat on their arms, legs, and trunk.
C) The number of red blood cells increases in boys but not in girls.
D) By midadolescence, most girls perform better than the average boy in running speed.

Question

Quizplus · Accepted Answer

During adolescence, boys experience an increase in the number of red blood cells, which contributes to their greater muscle mass and physical endurance compared to girls. This is part of the physiological changes associated with puberty and is not observed in girls to the same extent.

Which Statement About Sex Differences in Adolescence Is True