Since 75% (or more) of your body is made of water, your cells wouldn't be able to properly regenerate without water and your organs could start malfunctioning
Follow a food guide. For example, in Canada we have Canada's Food Guide that lists recommended foods in order to meet nutritional requirements for different ages and genders.
Hope this helps!
The answer would be pilates because if you keep doing it then you can maintain muscle endurance by your muscles getting better each time you do it.
