Anatomy--Chapter 16 Word Scramble
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Question | Answer |
The alimentary tube extends from the mouth | to the anus |
Accessory organs | Teeth, tongue, salivary glands, liver, gallbladder, pancreas |
Accessory organs means | digestion does NOT take place in these organs |
Mechanical digestion | the physical breaking up of food into smaller pieces |
Chemical digestion | the work of the digestive enzymes |
The oral cavity is made up of the | hard and soft palates superiorly; the cheeks laterally; and the floor of the mouth inferiorly |
The deciduous teeth are the | baby teeth |
Gingiva | gum |
Periodontal membrane | lines the socket and produces a bone-like cement that anchors the tooth |
Salivary glandds | parotid glands, submandibular glands, and the sublingual glands |
The parotid glands are located | just below and in front of the ears |
The submandibular glands are located | at the posterior corners f the mandible |
The sublingual glands are located | below the floor of the mouth |
The esophagus | a muscular tube that takes food from the pharynx to the stomach |
Lower esophageal sphincter | a circular smooth muscles that surrounds the lumen at the junction with the stomach |
Muscosa | The lining of the alimentary tube, which is made of epithelial tissue, areolar connective tissue and two thin layers of smooth muscle |
The epithelium of the alimentary tube | secretes mucus, which lubricates the passage of food, and also secretes the digestive enzymes of the stomach and small intestine |
Submucosa | made of areolar connective tissue with many blood vessels and lymphatic vessels |
enteric nervous system | The millions of nerve fibers that are present in the digestive system |
Meissner's plexus | The nerve networks in the submucosa |
The one-way contractions of ______ move the food toward the anus | peristalsis |
Auerbach's plexus | the portion of the enteric nervous system in the external muscle layer |
The stomach is located in | the upper-left quadrant of the abdominal cavity, to the left of the liver and in front of the spleen |
Rugae | The folds of the stomach |
Gastric pits | The glands of the stomach |
Mucous cells secrete | mucus |
Chief cells secrete | pepsinogen |
Parietal cells produce | hydrochloric acid |
Proton pumps secrete | H+ ions into the stomach cavity |
Duodenum | The first 10 inches of the small intestine |
The jejenum is about ______ long | 8 feet |
The ileum is about ______ long | 11 feet |
The liver | consists of two large loves, right and left, and fills the upper right and center of the abdominal cavity, just below the diaphragm |
Liver lobule | A roughly hexagonal column of liver cells |
The only digestive job of the liver is producing | bile |
Hepatic duct | takes bile out of thte liver |
Common bile duct | The joining of the hepatic duct and cystic duct of the gallbladder |
Emulsification | large fat globules are broke into smaller globules |
Production of bile is stimulated by the hormone | secretin |
Cystic duct | the part of the gallbladder that stores bile until it is needed |
The gallbladder concentrates bile by absorbing | water |
Gallbladder | a sac about 3 to 4 inches long located on the undersurface of the right lobe of the liver |
Panrcreas | located in the upper left abdominal quadrant between the curve of the duodenum and the spleen, and is about inches in length. |
The pancreas produces | enzymes that are involved in the digestion of all three types of complex food molecules |
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