Which organ absorbs water as part of digestion?

• A. Stomach
• B. Large intestine
• C. Small intestine
• D. Liver

Answer: (B)

Water reabsorption during digestion occurs mainly in the large intestine. As chyme enters the colon, the lining reabsorbs water and electrolytes, concentrating indigestible matter into stool and helping regulate body fluid balance. While the small intestine does absorb water as well, its primary role is nutrient absorption, not water reabsorption. The stomach mainly stores and digests, with only small amounts of water absorbed there, and the liver is involved in metabolism and bile production rather than absorbing water during digestion. So, the large intestine is the main site where water reabsorption happens.