Is a process by which large ingested molecules are mechanically and chemically broken down to produce basic nutrients that can be absorbed across the wall of the gi tract.

Digestion is a process by which large ingested molecules are mechanically and chemically broken down to produce basic nutrients that can be absorbed across the wall of the GI tract.

Explanation:

Digestion is the process by which large molecules of food are broken down into molecules small enough to be absorbed by the body's cells, that is, through this process the body obtains nutrients from food to function properly. The organs that perform this function are part of the digestive system. Digestion and absorption takes place in the gastrointestinal tract (GI track), during its passage through this tube, food remains 3 to 5 hours in the stomach, 4 hours in its movement along the small intestine and 6 to 20 hours in the large intestine .

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