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Flashcards in Digestive system Deck (21)
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1

who has the largest digestive system?

herbivores

2

Segmentation

forces feces back and forth in the colon to re absorb water

3

peristalsis

when food moves through the small intestine through a series of involuntary muscular contractions

4

the surface of the small intestine is greatly increased by...

a large number of villi

5

the sphincter that is located near the top of the stomach is called the ...

esophageal sphincter

6

what is responsible for lipid digestion?

lipase

7

the break down of carbs by the salivary glands begins in the...

mouth

8

food that enters the small intestine is called

chyme

9

the main region of nutrient absorption is the

jejunum and ileum

10

what can not withstand highly acidic environments?

salivary amylase

11

accordion like folds in the wall of the small intestine

villi

12

which enzymes break down protein?

protease and pepsin

13

the pancreas releases...

- protease
- lipase
- amylase
- trypsin

14

hydrochloric acid is secreted by...

parietal cells in the stomach

15

amylase is secreted in the...

mouth and small intestine

16

gastric juices contain...

hydrochloric acid
pepsin
intrinsic factor

17

which carbs do humans use to create energy?

monosaccharides

18

what is the normal BMI range?

19-25

19

adipose cells

store glycogen

20

what results in the production of no insulin?

type 2 diabetes

21

what leads to scurvy?

deficiency in vitamin C