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SMALL INTESTINE:
You may think that the stomach is your "main digestive organ," BUT IT IS NOT. MOST chemical digestion takes place in the small intestine!!!
The small intestine is a 20 ft long tube that food spends about 2-6 hours in.
Food is pushed through the small intestines by peristalsis.
The small intestine produces MANY digestive enzymes that finalize the digestion of food. Here are a few that are found in the small intestine:
Trypsin- a protease (protein-digesting enzyme) that finishes the breakdown of proteins into amino acids (don't forget that protein digestion starts in the stomach)
Amylase- enzymes that finish the digestion of carbohydrates into simple sugars. (don't forget that carbohydrate digestion starts in the mouth)
Lipase- enzymes that catalyze the digestion of fat. Fat digestion begins in the small intestine.
Don't forget that each digestive enzyme works with a SPECIFIC substrate like a lock and key.
Don't forget that each digestive enzyme works with a SPECIFIC substrate like a lock and key.
Don't forget that each enzyme works in SPECIFIC pH levels and SPECIFIC temperature ranges.
Don't forget that each enzyme works in SPECIFIC pH levels and SPECIFIC temperature ranges.
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