| A | B |
|---|
| mouth | where chemcial and mechanical digestion takes place |
| chemical digestion | food changes chemically |
| mechanical digestion | food is broken down but does not change chemcially |
| saliva | chemical digestion in the mouth |
| tongue | muscular turns food over - attached at bottom of mouth, taste buds to detect toxins |
| teeth | breaks food down so it can be swallowed - mechanical digestion |
| esophagus | tube - connects mouth to stomach, moves food in waves |
| peristalsis | wave like motion of esophagus |
| stomach | C or J shaped, churns food with three muscles, has digestive acids, all food leaves stomach as a liquid |
| chime | what is formed by the stomach acids breaking down food |
| small intestines | all nutrients absorbed here, takes place here, 18 to 23 feet long, no water is absorbed here |
| villi | finger like structure in small intestine, increases surface area |
| duodenum | one of three muscles in the small intestines |
| jejunum | one of the 3 muscles of the small intestine |
| ileum | one of 3 muscles of the small intestine |
| large intestine | 3 parts, water is absorbed leaving only solid material, this solid is waste |
| ascending colon | one of the 3 parts of the large intestine |
| transverse colon | one of 3 parts of the large intestine |
| descending colon | one of 3 parts of the large intestine |
| rectum | last part of the decending colon, storage area for solid waste |
| anus | external opening for solid waste to leave the body, controlled by ssphincter |
| sphincter | muscle that controls the anus opening |
| liver | cleans blood with bile, breaks down toxins, converts glucose to sugar |
| gallbladder | makes bile, located just below liver, releases bile into digestive system, breaks down fats |
| pancreas | produces insulin which regulates sugar, |
| appendix | holding place for waste, useless organ, might have abilities to help immune system |
