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Digestive System

Organs & Functions

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.
Created by: Sammyb897



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