Why did general grievous hunch over

Due to his back problems when the CIS built him, Grievous is usually hunched over and appears smaller than his B1 battle droids and allies

Explanation:

i am 100% sure that michael won medal in five different olympics.

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.