digestive system

Question 1

deciduous

Answer 1

baby teeth 20 teeth total

Question 2

components of saliva

Answer 2

water, mucus, salt, and lysosomes

Question 3

types of large named salivary glands

Answer 3

parotid gland: located near the ears
submandibular gland: near the jaw
sublingual: under tongue

Question 4

differences from small and large salivary glands

Answer 4

large salivary:
contain the enzyme amylase
do not secrete continuously
activated by stimuli

Question 5

function of amylase

Answer 5

begins starch digestion

Question 6

mumps

Answer 6

infection of the parotid glands and swelling of the jaw area

Question 7

esophageal epithelium

Answer 7

no-keratinized stratified squamous epithelium so no abrasions

Question 8

esophageal gland present

Answer 8

mucus gland

Question 9

cardiac region

Answer 9

known as the lower esophageal sphincter

Question 10

fundus

Answer 10

dome-shape upper part of stomach

Question 11

corpus

Answer 11

central region of stomach

Question 12

pyloric region or sphincter

Answer 12

where the small intestine starts

Question 13

muscular layers of the stomach

Answer 13

outer longitudinal layer
middle circular layer
inner oblique layer
allows strong mixing

Question 14

segmentation

Answer 14

local contractions that mix food rather than move it
inc surface area for digestion
small intestine

Question 15

amphipathic molecules

Answer 15

to move lipids in water, the body forms amphipathic molecules
one part hydrophobic one part hydrophilic like lipids and protein

Question 16

micelles

Answer 16

when amphipathic molecules are placed in water
hydrophilic face out towards the water
hydrophobic face inward
allows fat to be transported in water environments