digestive system RS
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20 terms
Terms | Definitions |
|---|---|
 saliva | watery substance in your mouth that contains enzymes that digest food |
| epiglottis | a flap of tissue that closes over the trachea to prevent food from entering and keep you from choking |
| esophagus | a stretchy muscular tube that squeezes food down from the mouth to the stomach |
| stomach | a J-shaped muscular sac that digests food by squeezing it and releasing acid |
| digestion | the process of breaking down of food into nutrients the body can use |
| small intestine | a 22 foot long muscular tube that absorbs nutrients from food that was digested in the stomach |
| large intestine | a five foot long muscular tube that absorbs water from leftover waste not absorbed in the small intestine |
| rectum | the end of the large intestine where waste (feces) is stored |
| feces | solid waste left over from undigested food; also known as poop |
| anus | the opening where feces is pushed out of the body |
| liver | a digestive organ that produces bile and stores nutrients from the blood |
| bile | a yellow-green substance produced in the liver that helps break down fats from food |
| gallbladder | a small sac underneath the liver that stores bile |
| pancreas | a digestive organ that produces digestive enzymes and releases them into the small intestine |
| appendix | a small finger-like pouch at the beginning of the large intestine that has no function |
| heartburn | a disorder where acid travels from the stomach back up the esophagus |
| diarrhea | a disorder where the large intestine does not absorb enough water, causing the feces to be watery |
| constipation | a disorder where the large intestine absorbs too much water, causing the feces to be dry and hard |
| ulcer | a disease where a hole develops in the lining of the stomach causing pain and bleeding |
| gallstones | a disease where fatty stones develop in the gallbladder, causing blockage of bile and pain |
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