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?

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?

24
Q

villi consist?

A

microvilli

25
villi are very? (VVV)
vascular
26
it is also known as colon (after small intestine in passing of food)
large intestine
27
purpose of large intestine
absorb water
28
feces will remain here until they are expelled from the anus
rectum
29
it involves in carbohydrate and protein metabolism; produces bile to help down break lipids
liver
30
stores bile
gallbladder
31
releases juices that have important digestive enzymes and will neutralize acid chyme
pancreas
32
often involves an issue with the small intestine
celiac disease
33
often involves an issue with the large intestine
diverticulitis
34
often involve with an issue with the contents from the stomach entering the esophagus
gastroesophageal reflux disease (heartburn)