| A | B |
|---|
| appendix | small fingerlike part that extends from large intestine, has no job |
| bile | green fluid made in liver that breaks down fats |
| chemical digestion | breakdown of food that requires help of enzymes |
| digestion | the changing of food into a useable form |
| digestive system | group of organs that work together to break down food |
| enzyme | chemicals that speed up chemical reactions |
| esophagus | tube that connects mouth to stomach |
| epiglottis | flap of tissue that controls which tube food & air enters |
| gallbladder | small organ that stores bile |
| hydrochloric acid | acid made by stomach, neutralized by antacids |
| antacids | medicine used to neutralize acid, relieves heartburn & indigestion |
| large intestine | organ that removes excess water from undigested food, forms feces |
| liver | organ that makes bile |
| mucus | thick, sticky material that lines inside of stomach |
| pancreas | organ near stomach that makes 3 enzymes, food does not enter it |
| mechanical digestion | physical breakdown of food, such as chewing, tearing, grinding |
| saliva | liquid formed in mouth that digests starts & moistens food |
| salivary gland | 3 pairs of glands in mouth that make saliva |
| small intestine | longest section of digestive system, where most chemical digestion & absorption occurs |
| stomach | muscular organ that mixes food and chemically breaks down protein |
| villi | fingerlike parts inside lining of small intestine, they absorb nutrients into bloodstream |
| starch | nutrients that enzymes in saliva start to digest |
| fats | nutrient that bile starts to breakdown |
| protein | nutrient that pepsin starts digesting |
| pepsin | enzyme made in stomach that digests protein |
| heartburn | problem caused by acid from stomach going up into esophagus |
| ulcer | problem caused by acids & enzymes burning a hole in lining of stomach |
| gallstones | caused by build up of hard deposits in gall bladder, blocks bile |
| teeth | parts of mouth that help to mechanically digest food |
| tongue | muscular part in mouth that helps to taste and mix food |
