The Digestive System Flashcards

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1
Q

Digestive tract

A

Oral cavity > pharynx > esophagus > stomach > small intestine > large intestine > rectum

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2
Q

Salivary amylase and lipase

A

start the chemical digestion of food

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3
Q

mucous cells

A

produce bicarbonate rich mucus to protect the stomach

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4
Q

Chief cells

A

secrete pepsinogen

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5
Q

parietal cells

A

secrete HCl and intrinsic factor (for B12 absorption)

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6
Q

G cells

A

secrete gastrin, which increases HCl and gastric motility

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7
Q

Carbohydrates digested in these sites:

A

Mouth

Duodenum

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8
Q

Proteins digested in these sites:

A

Stomach

Duodenum

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9
Q

Lipids

A

Duodenum

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10
Q

Secretin

A

Stim. release of pancreatic juices into the digestive tract andslows motility

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11
Q

CCK

A

stim. bile release from the gallbladder, release of pancreatic juices, and satiety

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12
Q

What are the jejunum and ileum of the small intestine involved in?

A

Absorption

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