Dehydration, which occurs when more water is lost than taken in, is caused by not drinking enough liquids, diarrhea, vomiting, excessive sweating, and some diseases such as diabetes

The main heat dissipation mechanism that the body uses on days when ambient temperature exceeds body temperature is

A) evaporation B) convection C) radiation D) conduction

In the stage of human development between the 2nd and 12th week, the developing life is

A) an embryo. B) a fetus. C) a zygote. D) viable.