Which type of care is likely to see the largest number of people? primary care secondary care tertiary care quaternary care

fluid balance is an aspect of the homeostasis of organisms in which the amount of water in the organism needs to be controlled, via osmoregulation and behavior, such that the concentrations of electrolytes (salts in solution) in the various body fluids are kept within healthy ranges. the core principle of fluid balance is that the amount of water lost from the body must equal the amount of water taken in.

b) the heart is a pump made of muscle and that is difficult to grow in the lab.