| Term | Definition |
|---|
| alimentary canal | the tubular portion of digestive tract that leads from the mouth to the anus |
| bile | fluid secreted by liver and stored in gallbladder |
| calorie | a unit used to measure heat energy and the energy content of foods |
| chyme | semifluid mass of partially digested food that passes from the stomach to the small intestine |
| feces | material expelled from the digestive tract during defection; poop |
| gastric juice | secretion of the gastric glands within the stomach |
| intrinsic factor | a substance that the gastric glands produce to promote absorption of vitamin B12 |
| malnutrition | physical symptoms resulting from lack of specific nutrients |
| mesentery | a fold of peritoneal membrane that attaches an abdominal organ to the abdominal wall |
| mineral | element not found in organic compounds that is essential in human metabolism |
| nutrient | a chemical that the body requires from the environment |
| pancreatic juice | digestive secretions of the pancreas |
| peristalsis | rhythmic waves of muscular contractions in the walls of certain tubular organs |
| vitamin | an organic compound, other than a carbohydrate, lipid, or protein, required for normal metabolism but that the body cannot synthesize in adequate amounts |
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