| A | B |
|---|
| bolus | ball of chewed food you swallow |
| chyme | watery, soupy digested food |
| peristalsis | muscle contractions that move materials in your digestive system |
| digestion | breaking down food to release nutrients |
| nutrients | important substances-enables body to grow and move |
| esophagus | passage from mouth to stomach |
| trachea | passage from mouth to lungs |
| epiglottis | cartilage that covers the trachea while swallowing |
| chewing & crushing food | mechanical digestion |
| acids and enzymes break down food | chemical digestion |
| anus | the opening at the end of the digestive tract |
| saliva | a liquid that starts digesion (in mouth) |
| stomach | organ for storing, diluting, and digesting food |
| salivary glands | they release saliva to digest food |
| villi | projection in the intestines that absorb nutrients |
| gallbladder | sac connected to liver: stores bile |
| liver | largest organ; produces bile |
| pancreas | produces chemicals to break down proteins, fats, & starch |
| large intestines | removes water, compacts and stores digestion waste |
| small intestines | most nutrients absorbed here |
