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Bio II A&P > Digestion > Flashcards

Digestion Flashcards

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Biology 101 flashcards
1
Q

Salivary Glands

A

Secretes salvia which contains enzymes to start chemical digestion of carbs

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2
Q

Liver

A

Produces bile

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3
Q

Gallbladder

A

Stores bile

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4
Q

Pancreas

A

Secrete digestive juices right into stomach

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5
Q

Layers of the Wall!

A

Look in photos

Mucosa, submucosa, muscular layer, serosa

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6
Q

Main function of mouth?

A

Chewing and breaking down food

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7
Q

Pharynx

A

Carries air, food, and fluid down from nose to mouth
A site for common illnesses, sore throat and tonsillitis

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8
Q

Esophagus

A

Transports food directly to stomach from pharynx via peristalsis
Muscles propel food down to stomach

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9
Q

Stomach

A

J-shaped, pouch like organ
Digest food, limited absorption

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10
Q

Small intestine

A

Completes digestion and absorbs product of digestion

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11
Q

Large intestine

A

Most microorganisms are housed here

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12
Q

SA Bolus? Chyme?

A

Bolus is when food is swallowed. Chyme is gastric juices that is digested in stomach. When it exits the system, its feces

Bolus, chyme, feces

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13
Q

SA: Lower Esophageal sphincter (LES) function

A

Closes stomach so bile doesn’t come up which closes off trachea by the epiglottis and uvula
Flap your body has ( regulates when it opens and closes)

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14
Q

MC: Stomach expands means that…

A

The rugae disappears

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15
Q

SA: parts of stomach

A

Fundus
Body
Pylorus
Pyloric sphincter

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16
Q

SA: fundus

A

Temporary storage area

17
Q

SA: stomach…Body

A

Main part of stomach

18
Q

SA: stomach…pylorus

A

Distal portion of the stomach where it approaches the small intestine

19
Q

SA: stomach…pyloric sphincter

A

Separates the stomach from small intestine

20
Q

How is chyme produced

A

mixing food in the stomach with gastric juice to form semifluid paste which is chyme

21
Q

Parts of small intestine

A

Duodenum - first part of the small intestine. It is located between the stomach and the middle part of the small intestine, or jejunum
Jejunum - proximal 2/5 portion of small intestine
Ileum - remainder of jejunum

22
Q

Intestinal villi

A

Increase surface area for absorption and secretion

23
Q

-ase means

A

Enzyme

24
Q

Lipase

A

Enzyme breaking down lipids (fats and fatty acids)

25
Q

Tripoin

A

Breaks down proteins

26
Q

Nucleases

A

Breaks down nucleic acid

27
Q

Describes the wave of muscular contraction throuh the alimentary canal towards the anus

A

Peristalsis

28
Q

Main function of epiglottis and uvula

A

Keep food down

Bio II A&P (2 decks)

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