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Unit 1 The Body > Digestion part two > Flashcards

Digestion part two Flashcards

1
Q

Why doesnt the stomach digest itself

A

Mucus prevents gastric juices from eating the stomach
Pepsin will not work without gastric juices
Gastric juice will not be made until food is there

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2
Q

Pepsinogen

A

HCL acid and pepsin mixed

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3
Q

What is another word for HCL

A

Gastric juices

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4
Q

What is chyme

A

Gastric juices and food mixed

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5
Q

What does the stomach absorb in small amounts

A

Anti inflamitiory medicine
Water
Alchol
Salts

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6
Q

Pyloric spincter

A

Controls the exit of chyme into the small intestine

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7
Q

What does the small intestine do

A

4x the length of the large inestine
digest macromolecules
absorb componet subunits

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8
Q

What are the three regions of the small inestine

A

Duodenum
Jejumun
ileum

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9
Q

Duodenum

A

25cm shortest part of the small inestine
Site of chemical digestion from chyme

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10
Q

Jejuimin

A

2.5m countiues to break down food

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11
Q

ileum

A

3m. Few villi absorb some and push undigested food into the large inestine.

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12
Q

Villis

A

Has capalaris and lymph vessiles and absorb stuff taking it to the blood stream and lymphatic system

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13
Q

Accesory organs

A

Pancreas
Liver
Gall bladder

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14
Q

List pancreas fluid

A

Trypisn and chymotrypsin
Panceratic amylase
Lipases

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15
Q

Bicarbonate

A

helps neutralize HCL acid and give a higher pH to chyme entering the duoenium (8)

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16
Q

Liver

A

Produces bile
Bile salts emuslifing fats

17
Q

Bile salts

A

Emulsify fats

18
Q

Gall blader

A

Stores bile
Chyme in the duodenum helps close it

19
Q

How is the gall bladder closed

A

Chyme in the duodum helps it contract and open

20
Q

Absorbtion

A

Mostly takes place in small intestine

21
Q

Capillaries

A

Absorb carbohydrates and amino acids

22
Q

Lymph vessiles

A

Absorb fats

23
Q

How is glucose actively transported

A

Through active trasnport and goes into blood stream and to the liver

24
Q

How is amino acids actively trasnported

A

Through active transport and goes into the blood stream and to the liver

25
Q

How is glycerol and 3 fatty acids absorbed

A

Through diffusion and are coated with protein and remade into fats. Then go to the lymph vessiles and to the chest area

26
Q

How is the small intestine regulated

A

Nervous and endcrine system (hormones)

27
Q

What does the large intesine

A

Wider
Elimates waste
Stores waste
Absorbs water
Bacteria that synthesis vitmain B

28
Q

12 and K

A

Buildup of waste in colon trigger

29
Q

How are feeces created

A

Formed by remaining indigestable materials

30
Q

What does the rectuim do

A

Stores feeces

31
Q

What are pigments in bile

A

Are what give feeces their chcacteristic brown colour

Unit 1 The Body (12 decks)

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