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D.S
key terms
Question | Answer |
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Alimentary canal | A long, muscular tube that begins at the mouth and includes the mouth (oral cavity), pharynx, esophagus, stomach, small intestine, large intestine, and anus. |
Anus | External opening of the anal canal, or rectum. |
Colon | The large intestine. |
Digestive System | Also know known as gastrointestinal system, is responsible for the physical and chemical breakdown of food so that it can be taken into the bloodstream and used by body cells and tissues. |
Duodenum | The first nine to ten inches of the small intestine. |
Esophagus | The muscular tube dorsal to (behind) the trachea. |
Gallbladder | A small, muscular sac located under the liver and attached to it by connective tissue. |
Hard palate | The body structure that forms the roof of the mouth and separates the mouth from the nasal cavities. |
Ileaum | The final 12 feet of the small intestine, and it connects with the large intestine of the cecum. |
Jejunum | Approximately eight feet in length and forms the middle section of the small intestine. |
Large intestine | The final section of the alimentary canal. |
Liver | The largest gland in the body and is an accessory organ in the digestive system. |
Mouth | Also called the buccal cavity, receive food as it enters the body. |
Pancreas | A glandular organ located behind the stomach. |
Peristalsis | To move the food in a forward direction. |
Pharynx | A tube that carries both air and food. |
Rectum | The final six inches of the large intestine and is a storage area of indegistables and wastes. |
Salivary glands | The parotid, sublingual, and submandibular, produce a liquid called saliva. |
Small intestine | a coiled section of the alimentary canal. |
Soft palate | Which separates the mouth from the nasopharynx. |
Stomach | An enlarged part of the alimentary canal. |
Teeth | Special structures in the mouth that physically break down food by chewing and grinding. |
Tongue | A muscular organ that contains special receptors, called tastes buds. |
Vermiform appendix | A small projection contained by the small intestine. |
Villi | Tiny projections from a surface; in the small intestine, projections that aid in the absorption of nutrients. |