Managing body composition is important for good health because too much fat or too little fat negatively affects how the body functions. t or f

This statement is definitely true. Every person needs to take care of their body and see whether there is a high or a low concentration of fat in it. It's not a good thing if there is too much fat or if there is too little fat in the body - the perfect balance would be if the amount of fat was somewhere in the middle between too much and too little so as to keep the body healthy.