Which would most likely be the physiological responses of a person not getting enough nutrients during exercise?

lack of energy and motivation to keep them up during the day. There also might be a constant feeling of tiredness as some people tend to fall asleep/ get tired after exercising.

it all depends on the are the statements? ?

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.