| A | B |
|---|
| vitamins | The essential organic nutrients needed is small quantities to help your body use other nutrients. |
| protein | Large molecules that contain carbon, hydrogen, oxygen, and nitrogen. |
| digestion | The mechanical and chemical process that breaks down food into small molecules, so they can be used by the body's cells. |
| chyme | The thin watery product your food changes into throught the process of digestion. |
| food group | Foods that contain the same nutrient. The food pyramid presents these and serving suggestions. |
| nutrients | The substances in foods that provide energy and materials for cell development, growth and repair. |
| mechanical digestion | Takes place when food is chewed and mixed in the mouth and churned in the stomach |
| minerals | Inorganic nutrients that regulate many chemical reactions in your body. |
| enzymes | Specific proteins that regulate almost all chemical reactions in cells without being changed themselves. |
| fats | The class of organic nutrients that provides energy and helps the body absorb some vitamins. |
| chemical digestion | The breaking down of large food molecules into different, smaller molecules that can be absorbed by cells. |
| amino acids | The building blocks of proteins. Your body needs 20 different building blocks to construct the proteins needed in your cells. |
| villi | The finger-like projections in the small intestine, where nutrients are absorbed into the blood stream. |
| peristalsis | The wave-like, muscular contractions that move food through the digestive system. |
| carbohydrate | The nutrient that is a source of energy for your body. |
| saliva | The watery, enzyme containing fluid in the mouth that is mixed with food durring digestion. |
