The term that is used to quantity the amount of heat in the evaporator is

Enthalpy

The quantity of heat contained in a material as measured from a particular base or point.

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.