DESCRIBE PHYSICAL MATURATION DURING CHILDHOOD AND ADOLESCENCE. During childhood, diff erent parts of the body grow at diff erent rates, with the head size– to–body size ratio becoming smaller than in...

DESCRIBE PHYSICAL MATURATION DURING CHILDHOOD AND ADOLESCENCE. During childhood, diff erent parts of the body grow at diff erent rates, with the head size– to–body size ratio becoming smaller than in infancy. Adolescence is marked by sexual maturation and signifi cant physical changes.

18. Sexual maturation includes changes in ________________ ________, such as the reproductive organs and genitals, and ________________ ________, such as breast enlargement in girls and deepening voices in boys. (p. 364 )