| A | B |
|---|
| digestion | the process of breaking food down so it can be used by the body |
| calorie | a measure of energy |
| nutrients | the usable portions of food used for growth, repair, and energy |
| esophagus | tube connecting the stomach and the mouth |
| saliva | liquid released in the mouth to moisten food and begin the digestion process. |
| liver | organ responsible for the manufacture of bile |
| bile | chemical substance that causes fat droplets to break apart. |
| pancreas | organ responsible for sending pancreatic juices into the stomach |
| enzymes | substances which chemically act on food to break it down into simpler substances |
| peristalsis | muscular contractions that move food through the digestive system |
| bolus | the name for the ball of food when it leaves the mouth |
| chime | what partially digested food is called when it leaves the stomach for the small intestine. |
| villi | finger like projections that line the small intestine to absorb nutrients |
| metabolism | the using of digested nutrients for energy |
| chemical digestion | saliva, enzymes, pancreatic juices, bile, HCl, and pepsin |
| mechanical digestion | teeth, stomach churning |
| small intestine | approximately 23 ft long |
| large intestine | approximately 3 ft. long |
| carbohydrates | quickest macronutrient to digest |
| fats | slowest macronutrient to digest |
