Answer: Water of metabolism
Explanation:
The water from the body can be taken out in the form of sweat, feces and from the skin.
The water that is taken out of the body via various processes. The water from the body comes out in the form of water by the process of sweating, when the body is into hotter environment. Human feces also includes some amount of water in it.
The water that is used in metabolism does not comes out of the body as a source of water output.