digestion

Question 1

stages of the digestive system

Answer 1

ingestion
digestion
absorption
compaction
defecation

Question 2

mechanical digestion is

Answer 2

thephisical breakdown of food into smaller particles

Question 3

chemical digestion is

Answer 3

a series of hydrolysis reactions that break diatert macromolecules into thier monomers

Question 4

another name for the digestive tract

Answer 4

alimentary canal

Question 5

components of the digestive tract

Answer 5

mouth, pharynx, esophagus, stomach, small intestine, large intestion

Question 6

the accessory organs of the digestive system are

Answer 6

teeth tounge salivary glands, liver, gallblader, and pancrease

Question 7

the most inner layer of the digestive tract

Answer 7

mucosa layer
made up of epithelium, lamina propria, and muscularis mucosae

Question 8

what type of tissue can be found in the lamina propria

Answer 8

loose connective tissue

Question 9

waht tissue makes up the muscularis mucosae

Answer 9

a thin layer of smooth muscle

Question 10

the serosa is composed of

Answer 10

a thin layer of areolar tissue topped by a simple squamous mesothelium

Question 11

where can no serosa be found

Answer 11

the pharynx, esophagus and rectum

Question 12

insreat of serosa the pharynx, esophagus and rectum have

Answer 12

adventitia

Question 13

the nervous network in the esophagus stomach and intestines is called

Answer 13

the enteric nervous system

Question 14

the enterie nervous system is influenced by what other nervous system

Answer 14

the central nervous system

Question 15

the myenteric plexus controls

Answer 15

peristalsis and other contractions of the muscularis externa

Question 16

the submucosal plexus controls

Answer 16

movments of the muscularis mucosae and glandular secretion of the mucosa

Question 17

the parietal peritoneum is a

Answer 17

serous membrane that lines the wall of the abdominal cavity

Question 17

mesenteries function is to

Answer 17

hold the absominal viscera in their proper locatuon and provide passage for blood vessels and nerves that supply digestive tract

Question 18

the __ is embeded in the lesser omeutum

Answer 18

bile duct

Question 19

the mesentery of the colon is called the

Answer 19

mesocolon

Question 20

the greater omentum plays a role in

Answer 20

the first line of defecse against toxins and infections
the greater omentum has clusters of lymphatic tissue that collect bacteria ans initiate an immune response

Question 21

intraperitoneal or peritoneal cavity is when

Answer 21

an organ is enclosed by mesentary(seosa) on all sides

Question 22

when a organ is partially covered by peritoneum it is called

Answer 22

retroperitoneal
Examples: liver, stomach

Question 23

short reflexs act through the

Answer 23

myesnteric plexus

Question 24

long refexes act through the

Answer 24

autonomic nerve fibers

Question 25

two hormones the digestive tract produces

Answer 25

gastrin and secretin

Question 26

functions of the oral(buccal) cavity

Answer 26

ingestion, tase and other sensory responsees, mastication, chemical digestion, swallowing, speech, and repiration

Question 27

mastication

Answer 27

chewing

Question 28

the mouth is lined with what type of tissue

Answer 28

stratifyed squamous epithelium

Question 29

labial frenulum

Answer 29

attaches each lip to the gum

Question 30

ingual papille is the site of

Answer 30

most taste buds

Question 31

how long is the small intestine

Answer 31

3m or 10ft

Question 32

incisors

Answer 32

the anterior chisel-like cutting teeth used to bite off a peice of food

Question 33

canines

Answer 33

the teeth that are more pointed and act to shred

Question 34

premolars and molars are used for

Answer 34

chrushing, shreding, grinding

Question 35

wach tooth is embeded in a socket called

Answer 35

an alveolus

Question 36

the enteric nervous system is composed of what two networks

Answer 36

the sub mucosal plexus and the myenteric plexus