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17 Cards in this Set
- Front
- Back
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Absorption |
The process by which nutrient molecules pass through the wall of the digestive system into the blood. |
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Anus |
A muscular opening at the end of the rectum through which waste material is eliminated from the body. |
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Digestion |
The process by which the body breaks down food into small nutrient molecules. |
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Enzyme |
A protein that speeds up chemical reactions in the body. |
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Epiglottis |
A flap of tissue that seals off the windpipe and prevents food from entering. |
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Esophagus |
A muscular tube that connects the mouth and the stomach. |
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Gallbladder |
The organ that stores bile after it is produced by the liver. |
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Large intestine |
The last section of the digestive system, where water is adsorbed into the bloodstream and the remaining material is eliminated from the body. |
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Liver |
The largest organ in the body; it plays a role in many body processes. |
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Mucus |
A thick, slippery substance produced by the body. |
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Pancreas |
A triangular organ that lies between the stomach and the first part of the small intestine. |
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Peristalsis |
Involuntary waves of muscle contraction that keeps food moving along on one direction through the digestive system. |
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Rectum |
The end of the large intestine where waste material is compressed into a solid form before being eliminated. |
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Saliva |
The fluid released when the mouth waters that plays an important role in both mechanical and chemical digestion. |
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Small intestine |
The part of the digestive system in which most chemical digestion takes place. |
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Stomach |
A J-shaped, muscular pouch located in the abdomen. |
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Villus |
Tiny finger-shaped structures that cover the inner surface of the small intestine and provide a large surface area through which digested food is adsorbed. |
