Through the digestion system, water is mainly absorbed in the
a. gallbladder.
b. stomach.
c. small intestine.
d. large intestine.

Through the digestion system, water is mainly absorbed in the large intestine. This task is devoted to the system of gastrointestinal tract, in which you have to orientate. The only correct answer is large intestine that is the largest part of both the whole tract and digestive system and actually this is the point where water, as leftover, is absorbed.

Your answer here is d