Exam 28: Temperature and Body Fluid Regulation

To successfully colonize varied environments on earth,animals evolved __________ for maintaining a constant internal environment,despite changes in the external environment.

Many mammals have __________ systems in both their respiratory systems and their kidneys to aid in water conservation.

The structure within the mammalian kidney that is primarily responsible for water reabsorption is the __________.

Sharks use the substances urea and __________ to raise the osmotic pressure of their blood.

What is the major nitrogenous waste in desert mammals?