What organ absorbs water from undigested material?

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Enhance your knowledge of the digestive system with our quiz. Answer multiple choice questions with detailed explanations. Prepare effectively for your anatomy and physiology exam!

Multiple Choice

What organ absorbs water from undigested material?

Explanation:
Water balance in digestion is handled primarily by the large intestine. After nutrients are absorbed in the small intestine, the remaining undigested material moves into the large intestine, where the lining reabsorbs water and electrolytes. This reabsorption concentrates waste into feces, with gut bacteria also contributing by fermenting some substances and producing vitamins that can be absorbed. The stomach mainly handles mixing, acid, and enzyme digestion, not water reabsorption from undigested material. The liver processes nutrients and other metabolic tasks, but does not play the role of absorbing water from undigested material.

Water balance in digestion is handled primarily by the large intestine. After nutrients are absorbed in the small intestine, the remaining undigested material moves into the large intestine, where the lining reabsorbs water and electrolytes. This reabsorption concentrates waste into feces, with gut bacteria also contributing by fermenting some substances and producing vitamins that can be absorbed. The stomach mainly handles mixing, acid, and enzyme digestion, not water reabsorption from undigested material. The liver processes nutrients and other metabolic tasks, but does not play the role of absorbing water from undigested material.

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