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Digestive System
Organs & Functions
| Question | Answer |
|---|---|
| Tongue | A muscular organ that contains special receptors, called taste buds, that allow a person to taste sweet, salt, sour, and bitter sensations.It also aids in chewing and swallowing food. |
| Pharynx | A tube that carries both air and food. It carries air to the trachea and food to the esophogus. |
| Esophogus | The muscular tube behind the trachea. This tube receives the food from the pharynx and carries it to the stomach. It relies on a rhythmic, wavelike, involuntary movement of its muscles to move the food in a forward direction. |
| Liver | It secretes bile, stores sugar in the form of glycogen, and stores iron and certain vitamins. It produces heparin, blood proteins, and cholestorol. It detoxifies poisonous substances. |
| Gallbladder | A small, muscular saclocated under the liverand attached to it by connective tissue. It stores and concentrates bile. |
| Stomach | An enlarged part of the alimentary canal. It receives food from the esophogus. |
| Pancreas | A glandular organ behind the stomach. It produces pancreatic juices that contain enzymes to digest food. It produces insulin. |
| Duodenum | The first 9 to 10 inches of the small intestine. Bile and pancreatic juices enter through ducts, or tubes. |
| Jejunum | The middle section of the small intsetine. It is about 8 feet in length. |
| Ileum | The final 12 feet of the small intestine. It connects with the large intestine at the cecum. |
| Cecum | It connects the small intestine and the large intestine. |
| Vermiform Appendix | A small projection in the small intestine. It is completely useless. |
| Descending Colon | The section of the colon that extends down the left side of the body. It connects with the sigmoid colon. |
| Transverse Colon | The section of the colon that extends across the abdomen, below the liver and stomach, above the small intestine. |
| Ascending Colon | The section of the colon that continues up on the right side of the body from the cecum to the lower part of the liver. |
| Sigmoid Colon | An "S"-shaped section of the colonthat joins with the rectum. |
| Rectum | The final 6 to 8 inches of the large intestine. It is a storage area for wastes and indigestibles. It has a narrow canal, called the anal canal, which opens at the anus. |
| Anus | The hole in the anal canal. Stool is expelled through this opening. |
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Sammyb897
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