| A | B |
| bolus | Soft wet ball of food after the mouth chews it. |
| calorie | A heat unit used to tell how much energy is in food. |
| carbohydrate | Foods which provide energy, often called starches and sugars. |
| cellulose | Fiber in plants which human beings do not digest. |
| cholesterol | A waxy substance made by the body and found in meats, eggs, and other foods. |
| digestion | Changing food into a form the body can use. |
| enzyme | Substances made by the body which help changes happen. |
| esophagus | A muscular tube that goes down your throat to your stomach. |
| fat | A food type which helps the body by storing energy, and helping make cells. |
| hydrochloric acid | An acid produced in the stomach which helps the body digest food. |
| molecule | A very small particle of matter, made of atoms. |
| nutrient | Foods and other substances we need for the body to work right. |
| organ | Two or more tissues working together to do a job for the body. |
| organ system | Organs working together to do a job for the body. |
| peristalsis | A wave-like squeezing motion in a tube. |
| protein | Food which is a building block for cells, found in foods like meat, eggs, and beans. |
| saturated fat | Fat which is a solid at room temperature. |
| sodium | A mineral found in salt and other foods. |
| specialized | Something which does only one job. |
| tissue | A group of cells which does a single job. |
| mouth | Where food is chewed and moistened. |
| esophagus | Where food travels between the mouth and stomach. |
| stomach | Organ where enzymes and acid are added to food. |
| small intestine | Organ where food is absorbed into the bloodstream. |
| large intestine | Organ where water is taken out of food. |
| carbohydrates, fats, and protein | The three main types of food nutrient. |
| 2-3 servings a day | Recommended daily amount of dairy or protein foods. |
| 2-4 servings a day | Recommended daily amount of fruit servings. |
| 3-5 servings a day | Recommended daily amount of vegetable servings. |
| 6-11 servings a day | Recommended daily amount of bread/pasta servings. |
| fats, oils, and sweets | Not considered a food group |