Science - Digestive System Flashcards

1
Q

What are the functions of the digestive system

A

Movement, Secretion, Digestion, Absorption

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2
Q

what does MOVEMENT do

A

mixes/passes nutrients…. it REMOVES WASTE

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3
Q

what does SECRETION do

A

releases ENZYMES and HORMONES

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4
Q

What does DIGESTION do

A

CHEMICAL breakdwon of nutrients

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5
Q

what does ABSORPTION do

A

passage of nutrients through the PLASMA MEMBRANE into BLOOD/LYMPH

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6
Q

what is the function of the stomach

A

Mix/store food // dissolve food by secretions // control passage of food into small intestine

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7
Q

what is the pneumonic to remember the functions of the stomach

A

Dont Stop Controlling My Store: Dissolve, Secretions, Control, Mix, Store

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8
Q

where does protein digestion occur?

A

STOMACH

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9
Q

what does peristalsis do

A

contract and relaxing, allows movement

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10
Q

where does absorption begin

A

small intestine

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11
Q

what is the largest solid organ in the body

A

Liver

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12
Q

what is the largest gland in the body

A

liver

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13
Q

where is the liver located in the body

A

RLQ: Right Lower Quadrant

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14
Q

how many lobes are their in the liver

A

4

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15
Q

what are the lobes of the liver

A

Right, Left, Quadrate, Caudate

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16
Q

Where does blood enter the liver

A

Hepatic Portal // Hepatic Artery

17
Q

Hepatic Portal Veins

A

nutrient rich blood brought to liver

18
Q

hepatic artery

A

OXYGEN RICH blodd brought to liver

19
Q

hepatic vein

A

blood leaving liver

20
Q

what are lobules

A

functional units of kidney

21
Q

what are the functions of the liver

A

bile production, produce blood plasma proteins, produce cholestoral, store glucose, regulate amino acids, process hemoglobin –> store iron, convert ammonia –> urea, purify blood, regulate clotting, control infections

22
Q

What is the pneumonic to remember the functions of the liver

A

I Got Pretty Playing Paladins As yoU Could Believe

23
Q

What is the function of the pancreas (digestive)

A

secrete enzymes to help digest FATS and PROTEINS

24
Q

how do enzymes in the pancrease start off as

A

start off as zymogens

25
what do zymogens do
convert lipase and amylase
26
when do lipase and amylase get converted
ONLY when they hit the Small intestine
27
what is the function of sodium bicarbonate in the stomach
help with stomach acid
28
where is sodium bicarbonate secreted
pancreas
29
What controls EXOCRINE functions
stomach
30
where are MOST nutrients absorbed
small intestine
31
what locations of gastroinestinal system bring enzymes to small intestine
pancrease, liver, stomach
32
what is chyme
semi-liquid mass of partially digested food
33
what is the main ABSORPTION organ of the digestive tract
small intestine
34
what does microvilli do
helps with absorption, movement of food
35
what type of cells are microvilli
epithelial cells
36
what is the function of the large intestine
concentrate, mix, store waste
37
what happens when the rectal wall is distended
nervous system triggers impulse in body --> anus moves waste