mouth pharynx esophagus, stomach, small intestine, large intestine, rectum, anus
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15
What is the difference between fat and water soluble vitamins?
excess Water soluble(C, b group, biotin, folic acid)are removed through the kidneys. excess fat soluble(A, D, E and K) aren't
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gift
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15
what makes you cough?
something other than air passing over the larynx
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What produces bile? Where is it stored?
The liver produces bile (in the sinusoids) and the gall bladder stores it
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lifesaver
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15
What is digestion?
the breakdown of food molecules into their individual components
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Why are intestinal villi so important?
villi increase the amount of intestinal surface that comes into contact with the food, speeding up the absorption process. (increase surface area 60-100X)
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The epiglottis and soft palate both participate in deglutition. What do they do?
The soft palate rises up and closes off the nasal cavity, the larynx rises and the epiglottis drops
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15
What are rugae?
folds in the stomach
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what is peristalsis?
The process of contraction and relaxation of the smooth muscles that pushes food through the alimentary canal
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25
What contains glands that produce secretin? Where does it get secreted into? What does it do?
small intestine (duodenum), it gets secreted into the capillaries in response to acidic chyme.
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What part of the digestive tract absorbs the most nutrients?
small intestine
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list 6 of the accessory organs of the digestive systems
salivary glands, liver, pancreas, gallbladder, vermiform appendix, (teeth and tongue)
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What is gastric juice?
the acid and other chemicals that are secreted into stomach from the gastric glands