digestive tract unit

Question 1

functions of digestive system

Answer 1

chemical/mechanical digestion, propulsion, absorption

Question 2

tissue lining stomach/intestines

Answer 2

simple columnar

Question 3

what substance does saliva break down

Answer 3

carbs, fat

Question 4

what tissue lines the mouth and anus

Answer 4

strat squamous

Question 5

contractions moving food down the esophagus

Answer 5

peristalsis

Question 6

sphincter from esophagus to stomach

Answer 6

cardiac

Question 7

sphincter from stomach to small intestine

Answer 7

pyloric

Question 8

pepsin

Answer 8

made from hydrochloric acid in the stomach. digests proteins

Question 9

where does most nutrient absorption occur

Answer 9

the small intestine

Question 10

order of parts of small intestine

Answer 10

duodenum, jejunum, ileum

Question 11

what does the pancreas send into the small intestine

Answer 11

enzymes to help with chemical digestion

Question 12

why does the liver secret bile into the small intestine

Answer 12

to break down fats

Question 13

where are bacteria that help form vitamins

Answer 13

large intestine

Question 14

parts of large intestine

Answer 14

cecum, ascending, transverse, desend

Question 15

peritoneum

Answer 15

double layered membrane around abdominal cavity

Question 16

peristalsis

Answer 16

muscle contractions of esophagus to move food

Question 17

esophagus to stomach sphincter

Answer 17

cardiac

Question 18

cardiac region of stomach

Answer 18

entrance

Question 19

fundus

Answer 19

top projection of stomach

Question 20

pylorus of stomach

Answer 20

end of stomach leading to small intestine

Question 21

rugae

Answer 21

folding in stomach

Question 22

chemical digestion in stomach

Answer 22

hydrochloric acid forms pepsin which breaks down proteins (and carbs)

Question 23

small intestine

Answer 23

main site of chemical digestion and nutrient absorption. contains bile to break fat (emulsification). also amalyse, lipase, trypsin and lactase.

Question 24

ileocecal sphincter

Answer 24

from small intestine to large intestine.

Question 25

segmentation

Answer 25

wave like contractions of intestines

Question 26

cirrhosis of liver

Answer 26

gradual scarring caused by heavy drinking, obesity, and hepatitis

Question 27

large intestine stors

Answer 27

bacteria to form vitamins