| A | B |
| Mouth...esophagus...stomach...small intestine...large intestine...rectum...anus | The digestive tract through which food passes |
| Water | One of 6 important nutrients needed for life |
| Vitamins | Organic nutrients needed for growth and preventing disease |
| Nutrients | Substances in food that provide energy and materials needed by cells |
| Carbohydrates | The main source of energy for your body |
| Fats | Nutrients that provide energy and help the body absorb vitamins |
| Proteins | Made up of amino acids; used for growth and replacement & repair of body cells |
| Food groups | Four, including milk, grain, meat and fruits & vegetables |
| Minerals | Inorganic nutrients that regulate chemical reactions |
| Esophagus | Food passes down this muscular tube from mouth to stomach |
| Chyme | Watery liquid that moves from stomach to small intestine |
| Amino acids | Protein is made up of these |
| Saliva | Watery substance produced by glands in the mouth |
| Peristalsis | Wave in esophagus that moves food along digestive system |
| Sugar | Saliva begins the breakdown of starch to this |
| Pancreas | Produces enzymes and insulin |
| Liver | Produces bile |
| Duodenum | First section of the small intestine |
| Rectum | Releases the solid waste |
| Digestion | Process that breaks down food into small molecules so they can be absorbed |
| Chemical digestion | Type of digestion done by chemical reactions in the body |
| Mechanical digestion | Type of digestion done by chewing and churning |
| Cilli | Tiny, fingerlike projections that cover the folds of your small intestine |