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18 Cards in this Set
- Front
- Back
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Digestion
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The process by which your body breaks down food into small nutrient molecules
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Absorption
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The process by which nutrient molecules pass through the wall of the digestive system into the blood.
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Saliva
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The fluid released when the mouth waters that plays an important role in both mechanical and the first sign of chemical digestion chemical digestion.
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enzyme
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A protein that speeds up chemical reactions in the body.
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epiglottis
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A flap of tissue that seals off the windpipe and prevents food from entering.
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esophagus
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A muscular tube that connects the mouth to the stomach.
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mucus
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A thick, slippery substance produced by the body.
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peristalsis
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Involuntary waves of muscle contraction that keep food moving along in one direction through the digestive system.
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stomach
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A J-shaped, muscular pouch located in the abdomen.
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small intestine
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The part of the digestive system in which most chemical digestion takes place.
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liver
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The largest organ in the body; it plays a role in many body processes.
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bile
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A substance produced by the liver that breaks up fat particles.
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gallbladder
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The organ that stores bile after it is produced by the liver.
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pancreas
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A triangular organ that lies between the stomach and first part of the small intestine.
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villi
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Tiny finger-shaped structures that cover the inner surface of the small intestine and provide a large surface area through which digested food is absorbed.
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Large Intestine
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The last section of the digestive system, where water is absorbed into the bloodstream and the remaining material is eliminated from the body.
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rectum
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The end of the large intestine where waste material is compressed into a solid form before being eliminated.
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anus
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A muscular opening at the end of the rectum through which waste material is eliminated from the body.
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