Question

To survive humans must maintain a normal volume and composition of

Answer 1

To survive, humans must maintain a normal volume and composition of the intracellular fluid, extracellular fluid, body fluids, and plasma.
These fluids basically the one that regulates what come in and comes out from the inside of our body. Without the existence of this fluids, human body will be soon experience organ failures

Answer 2

To survive, humans must maintain a normal volume and composition of intracellular fluid, extracellular fluid, body fluids and plasma.