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20 Cards in this Set

  • Front
  • Back
salivary glands
presence of food triggers salivary glands to release saliva
salivary glands protects
esophagus from abrasion and begins digestion of carbohy.
helps to shape food into a ball called a bolus and pushed food into the pharynsz
juntion that opens to both the esophagus and trachea and guies the bolus into the esophagus
conducts food into the stomach; swallowing is voluntary followed by involuntary contractions
produces bile for digestion
bitter alkaline fluid that helps food in digestion
bile is stores have liver produces it
breaks down large fat molecules
produces enzymes that break down all categories of digestible food and secretes hormones that affect carb. metoabolis
small intestine
proteines changes in amino acids and fat changes into fatty acids and carbs change into glucose *most chemical digestion takes place*
large instine(colon)
storing waste, absorbds some vitamins
final str8 potion of the large intestine
external opening of the rectum
closure is controlled by sphincter muscles
feces are expelled from the body thru anus
digestion of carbs
begins with saliva in oral cavity
pancreatic enzymes hydrolyze carbs into disaccharids and then monomers
absorbed by intestinal epithelium and passed into capillaries
digestion of proteins
beings with pepsin in stomach
enzymes in small ins. changes polypep. to amino acids
passed thru intestinal epithelium and passed in capillaties
digestion of lipids
bile from gallblasses coeats tiny fat droplets
then exposed to lipase
absorbed in intestinal epithelium
mixed with choloestrol and coated to form chylomicrons
intestinal epithelium
tissue lining the organ
mechanical digestion
states at mouth
breakin food down with enzymes