Digestive system Flashcards

1
Q

oral cavity

A

physical digestion

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2
Q

pharynx

A

common passage for digestive and respiration system

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3
Q

tongue

A

taste
position food for toothwork

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4
Q

teeth

A

physical digestion of food

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5
Q

salivary glands

A

lubricate bolus
begin starch chemical digestion(salivary amylase)

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6
Q

epiglottis

A

direct food into esophagus but not into trachea

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7
Q

esophagus

A

tube though which the food passes into stomach by peristalis

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8
Q

stomach

A

physical digestion (churrus)
chemical digestion (protein)

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9
Q

cardiac sphincter

A

muscular ring acts as valve to contain food in stomach

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10
Q

duodenum

A

top of small intestine
bile duct, pancreatic duct enter here

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11
Q

pyloric sphincter

A

muscular ring acts as valve to contain food in stomach
opens to admit chyme from stomach into small intestine

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12
Q

small intestine

A

chemical digestion of all foods, absorption of monomers

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13
Q

liver

A

produces bile and maintains blood glucose

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14
Q

gall bladder

A

stores bile (<- emulsifies fats)

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15
Q

pancreas

A

neutralizes pH (NaHCO3), secrets several enzymes

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16
Q

large intestine

A

absorption of H2O, cultures e-coli

17
Q

appendix

A

projection from pathogens, vestigial structure

18
Q

rectum

A

last bit of large intestine

19
Q

carnivores

A

meat eaters

20
Q

herbivores

A

yummy plants

21
Q

omnivores

A

both meat and plant toothers

22
Q

parotid salivary gland

A

side of face swell with mumps

23
Q

sublingual salivary gland

A

below tongue

24
Q

submandibular salivary gland

25
what r 3 types of salivary glands and what do they do
parotid, sublingual and submandibular they produce saliva
26
palates
top of mouth soft and hard separates the mouth from nasal cavity end flap uvula
27
pharynx
area between mouth and esophagus tube for air and food
28
what are the functions of the small intestine
digestion absorption of nutrients(monosaccharides, amino acids, short peptides, fatty acids are transported into intestinal cells and are diffused into bloodstream) fats diffuse into intestinal cells and are deposited in the lacteal
29
peristalsis
rhythmic wavelike contraction of esophagus and intestine
30
bolus
food ball formed by mouth teeth tongue and saliva
31
liver functions (7)
-removes and metabolizes toxic materials -stores extra glucose -destroys old red blood cells -produces urea from amino acids -makes blood proteins -stores iron and fat ADEK -coverts amino acids into glucose if necessary
32
digestive function of liver
-secretes bile - emulsifies fats -breaks dow hemoglobin