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Spring Quiz 9

Masterbooks Intro to A&P Volume 4

TermDefinition
digestion the process by which the food we take in is converted to substances needed by our bodies
alimentary canal long tube that extends from the mouth to the anus
mechanical digestion the physical breaking down of food into smaller pieces
chemical digestion when various digestive enzymes break food down into its more basic components
absorption the breakdown products of chemical digestion move into the cells that line the lumen of the GI tract
elimination indigestible material and other substances are removed as they reach the end of the GI tract
serosa the outermost of the layers of the GI tract
peritoneum double-layered serous membrane that lines the abdominopelvic cavity
bolus a rounded ball of chewed food
hard palate separates the oral cavity from the nasal cavity
soft palate moves during swallowing to seal off the nasal passage while food moves from the mouth into the esophagus
periodontal ligament each tooth is secured in its socket by this complex and highly organized collection of connective tissue fibers
gingiva the gums
gingivitis as plaque builds up, it can cause this inflammation of the gums
plaque made up of bits of food and other debris; bacteria love to live in it
endocrine gland secretes its products directly into the bloodstream to be carried throughout the body
exocrine gland secretes its product by means of a duct (a small tube)
parotitis inflammation of one or both of the parotid glands
amylase found in saliva; causes the breakdown of starch in our food into sugar
xerostomia known as "dry mouth syndrome"
esophagus a muscular tube that connects the pharynx to the stomach
sphincter a ring of muscle that guards the opening at the end of a tube
adventitia the outer layer of the esophagus
aspiration when food enters the airway
peristalsis a series of coordinated movements of the muscles along the length of a tube, like the esophagus
 



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