The brain of a typical 5-year-old will weigh ___________ of its adult weight while her body will be only about ____________ of its adult weight.
A) 90 percent; one-third
B) 50 percent; one-half
C) 30 percent; three-fourths
D) 25 percent; nine-tenths

Question

Quizplus · Accepted Answer

The brain of a typical 5-year-old will weigh about 90 percent of its adult weight, indicating rapid early brain development, while her body will be only about one-third of its adult weight, reflecting slower physical growth.

The Brain of a Typical 5-Year-Old Will Weigh ___________ of Its