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A&P2 DIGESTIVE
| Question | Answer |
|---|---|
| Type of digestion that breaks large pieces into smaller ones without altering their chemical composition. | mechanical digestion |
| Type of digestion that breaks food into simpler chemicals. | chemical digestion |
| Portion of the digestive system extending from the mouth to the anus & several accessory organs. | alimentary canal |
| The alimentary canal includes: | mouth, pharynx, esophagus, stomach, small intestine, large intestine, anal canal |
| The accessory organs of the alimentary canal include: | salivary glands, liver, gall bladder, pancreas |
| __ contains enzymes that initiate breakdown of carbohydrates. | salivary glands |
| What does bile do? | emulsifies fat |
| Stores bile & introduces it to the small intestine. | gallbladder |
| Produces bile. | liver |
| Produces & secretes juice containing digestive enzymes & bicarbonate ions into small intestine. | pancreas |
| Connects mouth with esophagus. | pharynx |
| __ pushes food to the stomach inside the esophagus. | peristalsis |
| Secretes acid & enzymes to mix with food to begin enzymatic digestion of proteins. | stomach |
| Mixes food and bile with pancreatic juice. | small intestine |
| Place where the final enzymatic breakdown of food molecules occurs. | small intestine |
| Main site of nutrient absorption. | small intestine |
| Absorbs water and electrolytes to form feces. | large intestine |
| Regulates elimination of feces. | rectum |
| 4 wall layers of the alimentary canal. | mucosa (mucous) membrane, submucosa, muscular layer, serosa (serous) layer |
| The mucosa layer folds in some region for what reason? | to increase the absorptive surface area |
| Layer of the alimentary canal that protects the tissues beneath it and carries on secretion & absorption. | mucosa membrane |
| Layer of alimentary canal that nourishes the surrounding tissues & carries away absorbed materials. | submucosa |
| Layer of alimentary canal that contains loose connective tissue, glands, blood vessels, lymphatic vessels, & nerves. | submucosa |
| Layer of alimentary canal that provides movement of the tube. | muscular layer |
| Layer of alimentary canal consisting of 2 coats of smooth muscle tissue. | muscular layer |
| The outermost layer of the alimentary canal. | serosa layer |
| These movements occur in the alimentary canal when smooth muscles in small segments of the tube contract rhythmically. | mixing movements |
| These movements of the alimentary canal include peristalsis & receptive relaxation. | propelling movements |
| A ring of contraction occurring in the wall of the alimentary canal. | peristalsis |
| Alimentary canal wall whose function is protection, secretion, & absorption. | mucosa |
| Alimentary canal wall whose function is to nourish surrounding tissues & transport absorbed materials. | submucosa |
| Alimentary canal wall whose function is movements of the tube & its contents. | muscular layer |
| Alimentary canal wall whose function is protection & lubrication. | serosa |
| Form the lateral walls of the mouth. | cheeks |
| Connects the midline of the tongue to the floor of the mouth. | lingual frenulum |
| The posterior region of the tongue is anchored to the __. | hyoid bone |
| The hardest structures in the body. | teeth |
Created by:
alexalambert17