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digestive system ch.


the alimentary canal is also known as digestive tract
the alimentary canal consists of what four layers mucosa, submucosa, and the muscular layer
what layer is the innermost layer of the wall and is mostly made of epithelial tissue that secretes enzymes and mucus into the lumen mucosa
what layer is the layer just inferior to the mucosa that contains loose connective tissue, blood vessels, glands and nerves submucosa
what layer is just outside the submucosa and is made of layers of smooth muscle tissue muscular layer
smooth muscle produces what two types of movements churning and peristalsis
the mouth is also known as the buccal cavity
the mouth takes in food and reduces its size through chewing, what is this process known as mechanical digestion
what secretes saliva, which contains enzymes that initiates breakdown of carbohydrates salivary glands
what part of the digestion system connects the mouth with the esophagus pharynx
what pushes food to the stomach peristalsis
what produces bile, which emulsifies fat liver
what stores bile and introduces it into small intestine gallbladder
what produces and secrets pancreatic juice, conaining digestive enzymes and bicarbonate ions, into small intestine pancreas
what secretes acid and enzymes, mixes food with secretions to begin enzymatic digestion of proteins stomach
what absobs water and electrolytes large intestine
the mass created by food mixed with the saliva and mucus mixture is called bolus
more commonly called the throat pharynx
covers the opening of the larynx so that food does not enter it epiglottis
what can the stomach absorb alcohol, water and some fat soluble drugs
carries out most of the digestion in the body, and is responsible for absorbing most of the nutrients into the bloodstream small intestine
eventually the sigmoid colon straightens out to become the rectum
as chyme leaves the small intestine it enters what large intestine
the salts in bile break large fat globules into smaller ones so that they can be more quickly digeted tby the digestive enzymes
what would you do for treatment of constipation dietary fiber, softeners, laxatives and enemas
what disorder can you acquire if you do not wash your hands while cooking food diarrhea
occurs when stomach acids are pushed into the esophagus heartburn
what are all the sections of the large intestine ascending colon, transverse colon, descending colon, and sigmoid colon
what do nutrients include carbohydrates, proteins, lipids, vitamins, minerals, and water
what is inflammation of the stomach gastritis
Created by: ericah