DIGESTIVE SYSTEM ADD INFO Flashcards

1
Q

process of digestion

A

ingestion, digestion, absorption, and elimination

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2
Q

4 major biological molecules

A

carbohydrates, lipids, nucleic acids, and proteins

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3
Q

biomolecules-salivary amylase break down what biological molecule?

A

carbohydrates

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4
Q

2 types of digestion

A

chemical digestion and mechanical digestion

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5
Q

physically breaking food down (teeth)

A

mechanical digestion

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6
Q

it counteract acidity in mouth and help prevent tooth decay

A

buffers of saliva

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7
Q

the formation of food after mechanical digestion and also with the help of saliva and tongue

A

bolus

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8
Q

blocks windpipe (trachea) during act of swallowing food or liquid

A

epiglottis

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9
Q

wave-like movement made by smooth muscles in the esophagus

A

peristalsis

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10
Q

an adult human stomach can store how much of food and liquid?

A

2 liters

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11
Q

it contains gastric juices (HCl) and enzymes

A

stomach

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12
Q

pepsin breakdown what

A

proteins

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13
Q

substance after chemical and mechanical digestion in the stomach

A

chyme

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14
Q

separates the esophagus from the stomach and also between the stomach and small intestine

A

sphincter

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15
Q

inner surface of the stomach lined by a mucous membrane known as?

A

gastric mucosa

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16
Q

the mucosa is always covered by a layer of thick mucus that is secreted by what type of epithelial cells?

A

tall columnar epithelial cells

17
Q

parts of small intestine (DJIvan)

A

duodenum, jejunum, ileum

18
Q

where does digestive juices come from what organs to the small intestine?

A

gallbladder, liver, and pancreas

19
Q

it is where nutrient absorption most happen

A

small intestine

20
Q

glucose and fructose are?

A

sugars

21
Q

amino acids are?

A

building blocks of protein

22
Q

things absorbed by the small intestine

A

sugars, amino acids, vitamins, lipids

23
Q

absorption occurs what lining of the small intestine?

A

villi

24
Q

villi consist?

A

microvilli

25
Q

villi are very? (VVV)

A

vascular

26
Q

it is also known as colon (after small intestine in passing of food)

A

large intestine

27
Q

purpose of large intestine

A

absorb water

28
Q

feces will remain here until they are expelled from the anus

A

rectum

29
Q

it involves in carbohydrate and protein metabolism; produces bile to help down break lipids

A

liver

30
Q

stores bile

A

gallbladder

31
Q

releases juices that have important digestive enzymes and will neutralize acid chyme

A

pancreas

32
Q

often involves an issue with the small intestine

A

celiac disease

33
Q

often involves an issue with the large intestine

A

diverticulitis

34
Q

often involve with an issue with the contents from the stomach entering the esophagus

A

gastroesophageal reflux disease (heartburn)