What is the first and shortest stage of the prenatal period called?

During early childhood, boys __________ than girls

A) are less muscular B) are slightly larger C) have more body fat D) are slightly smaller

You have been doing lawn work and trimming hedges in the hot summer sun, and have been perspiring profusely. You will have a(n) thirst

a. extracellular b. molecular c. intracellular d. chemically-induced