Digestive System Vocabulary
digestive tube that extends from the mouth to the anus
A substance produced by the liver that breaks up fat particles.
A unit of heat used to measure the energy your body uses and the energy it receives from food
Partially digested, semiliquid food mixed with digestive enzymes and acids in the stomach.
Solid body wastes expelled through the rectum and anus
A liquid that includes hydrochloric acid and pepsin and that is responsible for the chemical digestion of protein in the stomach.
Intestinal Villus (Villi)
Small, finger-like projections that protrude from the epithelial lining of the intestinal wall
A substance produced by the mucosa of the stomach and intestines that is essential for the absorption of vitamin B12.
A state of poor nutrition
Structure that suspends the small intestine from the posterior body wall
Elements found in food that are used by the body
Compounds in food that the body requires for proper growth, maintenance, and functioning
breaks down fats (lipase), carbs (amylase) and proteins (trypsin)
Involuntary waves of muscle contraction that keep food moving along in one direction through the digestive system.
Compounds found in food that help regulate many body processes
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