Why is it important to live at all, when so many bad things happen?

answer:

because when things are tough, you are tougher.

explanation:

plants and animals the planet. when we die our bodies becomes soil and other animals get to eat from bodies of dead plants and animals and, we can keep living and keep growing crops. ik it's not a good answer but there. maybe write the answers next time?

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.