AP BIOLOGY

Detailed explanation-1: -Your stools get hard and dry when your colon absorbs too much water. Constipation symptoms can include stomach cramps and feeling tired.

Detailed explanation-2: -Complete answer: Among all the food that we ingest, 80 percent of the electrolytes present in them, and 90 percent of water are absorbed in the small intestine. Although the entire small intestine is involved in the absorption of water and lipids, water reabsorption is the main function of the large intestine.

Detailed explanation-3: -By the time indigestible materials have reached the colon, most nutrients and up to 90% of the water has been absorbed by the small intestine. The role of the ascending colon is to absorb the remaining water and other key nutrients from the indigestible material, solidifying it to form stool.

Detailed explanation-4: -This is why 95% of the carbohydrates and protein you consume are absorbed in the small intestine. It also absorbs about 90% of the water that it receives during digestion.