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Breaking small molecule
Digest is the process of breaking small molecule compounds on the large enough to be absorbed.
First digesting the food and then we can absorb them. If foods are not digested, the intestines cannot absorb them, and they are eliminated in the feces.
Upon any ingest a food; it goes down the esophagus into the stomach.
The stomach has three basic functions: to kill germs in food through its low pH (very acidic), break down large molecules into smaller molecules for subsequent absorption in other segments of the digestive tract and store food, releasing into the duodenum processed foods in speed constant.
First part of the digestive system
Esophagus, stomach and duodenum
Upon exiting the stomach, the food reaches the duodenum, the first part of the small intestine.
The duodenum receives secretions from the pancreas and gallbladder.
The pancreas secretes pancreatic juice, a liquid rich in bicarbonate which helps to decrease the acidity of the food coming from the stomach.
Pancreatic juice is also rich in enzymes which are part of the digestion of proteins, carbohydrates and fats.
Produces the gallbladder bile, which is responsible for the color of feces and the digestion of fats, cholesterol and some vitamins (A, D, E and K). Upon the duodenum, jejunum and ileum have respectively 2nd and 3rd parts of the small intestine. Jejunum and ileum make up the largest part of our digestive system and can reach 6 feet in length.
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