| A | B |
|---|
| teeth | chop and grind |
| saliva | changes starch to sugar, adds liquid to the food |
| tongue | mixes the food with the saliva |
| esophagus | food tube, pushes food down from the mouth to the stomach |
| stomach | blends, churns, mixes food, digestive juices enter here to break food down |
| duodenum | first part of the small intestine where food is broken down further by digestive juices and enzymes |
| small intestine | nutrients are absorbed into the blood stream here |
| large intestine | bacteria remove nutrients from waste, water is removed from waste |
| rectum | stores solid waste |
| salivary glands | make saliva |
| gall bladder | stores bile and sends it to the small intestine |
| liver | makes bile, stores nutrients that the body does not need right away |
| pancreas | makes chemicals needed to break down food, makes insulin |
| enzyme | chemical that breaks down food |
| insulin | helps cells use sugar |
| digestive juices | acids and enzymes in the stomach that break down food |
| bile | yellow-green fluid that breaks down fat |
| anus | opening at end of digestive system where waste exits |
| rumen | one compartment of a ruminant stomach where microbes ferment feed and produce volatile fatty acids, which is the cow’s main energy source |
| esophageal grooves | found in calves and allows milk to bypass the rumen and directly enter the abomasum. |
