| A | B |
| malnutrition | Faulty or inadequate nutrition. |
| Recommended Dietary Allowances(RDA) | The amount of a nutrient needed by 98% of the people in a given age or gender group. |
| anemia | Blood disorder characterized by lack of energy, weakness, shortness of breath and cold hands and feet. |
| Adequate Intakes (AI) | Impossible to establish the RDA for a particular nutrient due to a lack of scientific information. |
| digestion | The mechanical and chemical process that breaks food sown to release nutrients in forms the body can absorb for use. |
| esophagus | The tube that connects the mouth and stomach. |
| peristalsis | The muscles of the esophagus contract and relax, creating a weries of wavelike movements that force the food into the stomach. |
| enzymes | Special proteins that help chemical reactions take place. |
| chyme | A thick liquid that breaks food down mechanically in the stomach. |
| pancreas | A gland connected to the small intestine that produces enzymes that help to break down carbohydrates. |
| glucose | Blood sugar that comes from carbohydrates; the body's basic fuel. |
| absorption | A process through which nutrients move into the blood stream. |
| villi | Billions of tiny, fingerlike projections that line te inner wall of the small intestine. |
| calorie | A way to measure energy; the amount of energy needed to raise the teimperature of 1 kilogram of water 1 degree Celsius. |
| oxidation | A term for chemical reactions that combine elements with oxygen. |
| glycogen | A storage form of glucose. |
| basal metabolism | The minimum amount of energy you neede to maintain these basic processes in the body. |