topic 6

Question 1

function of mouth

Answer 1

mechanical digestion

Question 2

function of salivary gland

Answer 2

secretes saliva (w enzyme salivary amylase) to make bolus for swallowing

Question 3

function of esophagus

Answer 3

tube through which bolus is pushed through peristalisis

Question 4

function of stomach

Answer 4

muscular contractions (mechanical digestion). acid kills bacetria and produces chyme

Question 5

function of liver

Answer 5

produces bile

Question 6

function of gallbladder

Answer 6

stores biles and releases into small intestine

Question 7

function of pancrease

Answer 7

makes and secretes enzymes into the lumenof small intestine

Question 8

function of duodenum

Answer 8

(small intestine pt1)
bile neutralizes acid and emulsifies fats
carbs/fats/amino acids digested

Question 9

function of illeum

Answer 9

(small intestine pt2)
absorbs nutrients into walls

Question 10

function of large intestine

Answer 10

water is reclaimed and returned to the blood

Question 11

function of rectum

Answer 11

stores feaces

Question 12

function of anus

Answer 12

forces out feaces

Question 13

types of enzymes

Answer 13

• (salivary) amylase
• protease
• lipase

Question 14

amylase

Answer 14

• op pH 7-7.8
• breaks carbs into maltose
• source: salivary glands & pancreas

Question 15

protease

Answer 15

• op pH 8
• breaks proteins to amino acids
• source: duodenum

Question 16

lipase

Answer 16

• op pH 7.2-7.8
• breaks down fats into fatty acids and glycerol
• source: pancreas

Question 17

layers of the small intestine

Answer 17

• epithelial
• mucosa
• submucosa
• circular muscle
• longitugional muscle

Question 18

parts of digestive system

Answer 18

• mouth
• esophagus
• stomach
• pancreas
• gallblader
• liver
• small intestine
• large intestine
• rectum
• anus