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Ben: Digestive System 1/24/13
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| Digestion | The process in the alimentary canal by which food is broken up physically, as by the action of the teeth, and chemically, as by the action of enzymes, and converted into a substance suitable for absorption and assimilition into the body. |
| Mechanical Digestion | There are two parrts of digestion, one of them is mechanical and the other is chemical. Mechanical is when food is broken up into smaller pieces. |
| Chemical Digestion | Chemical digestion is when food is prepared for the actualy digestion in which the food is chemically changed into smaller substances. |
| Salivary Glands | Any of several glands, as the submaxillary glands, that secrete saliva. |
| Saliva | A viscid, watery fluid, secreted into the mouth by the salivary glands, that functions in tasting, chewing and swallowing food, moistens the mouth, and starts the digestion of starches. |
| Gastric Juice | The digestive fluid, containing pepsin and other enzymes, secreted by the glands of the stomach. |
| Tongue | The usually movable organ in the floor of the mouth of humans and most vertebrates, functioning in eating, and tasting, and, in humans, in speaking. |
| Esophagus | A muscular pasage connecting the mouth pharynx with the stomach in invertebrate and vertebrate animals. |
| Peristalsis | The progressive wave of contraction and relaxation of a tubular muscular system, especially the alimentary canal, by which the contents are forced through the system. |
| Small Intestine | The narrow, longer part of the intestines, comprising the duodenum, jejunum, and ileum, that serves to absorb and digest nutrients. |
| Large Intestine | The broad, shorter part of the intestines, comprising the cecum, colon, and rectum, that absorbs water from and eliminates residues of digestion. |
| Intestinal Juice | Secretions by glands lining the walls of the intestines. |
| Bile | A bitter, alkaline, yellow or greenish liquid, secreted by the liver, that aids in absorption, and digestion especially of fats. |
| Stomach | A sac like enlargement of the alimentary canal, as in humans and certain animals, forming an organ for storing, diluting, and digesting food. |
| Pancreas | A gland, situated near the stomach, that secretes a digestive fluid into the intestine through one or more ducts and also secretes the hormone insulin. |
| Enzymes | Any of various proteins, as pepsin, originating from living cells and capable of producing certain chemical changes in organic substances by catalytic action, as in digestion. |
| Villi | One of the minute, wormlike proceses on certain membranes, especially on the mucous membrane of the small intestine, where they serve in absorbing nutriment. |
| Gallbladder | A pear-shaped, muscular sac attached to the undersurface of the right lobe of the liver, in which bile is stored and concentrated. |
| Appendix | A little puch where the small intestine and the lrge intestine join, it has no known purpose yet, but it can sometimes get infected and have to be removed. |
| Rectum | The compratively straight, terminal section of the intestine, ending in the anus. |
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| Cabin John, MD |
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