Digestion

Question 1

what are the functions of the digestive system

Answer 1

ingestion
grinding
digestion
absoprtion
elimination
prehension of food
defensive/offensive weapon
communication
grooming

Question 2

what are lips for

Answer 2

prehension

Question 3

what are teeth for

Answer 3

cutting, grinding

Question 4

what is the tongue for

Answer 4

tactile, mastication
drives bolus into pharanyx

Question 5

what is the esophagus

Answer 5

tube from mouth to anus

Question 6

what are salivar glands

Answer 6

essential for digestion

Question 7

what are functions of saliva

Answer 7

moisten, lubricates, protects, and partially digests

Question 8

how much saliva is produced

Answer 8

10-12 liters

Question 9

what are the 3 kinds of saliva glands

Answer 9

1. paratid
2. submaxiallary
   3.sublingual

Question 10

what so paratid glands do

Answer 10

secrete water and mucus

Question 11

what are characteristics of submaxiallary glands

Answer 11

long/ narrow

Question 12

how long does nutrients take to pass thru stomach

Answer 12

2-6 hours

Question 13

what is the function of the stomach

Answer 13

breakdown protein

Question 14

what does glandular mean

Answer 14

has secreations

Question 15

what do neck chief, parietal cells, and body chief cells produce

Answer 15

1.mucin
2.HCL
3.enzymes

Question 16

what is the function of the small intestine

Answer 16

nutrient digestion and absorption

Question 17

how long/ how much does the S I hold

Answer 17

70 inches/ 12 gallons

Question 18

what are the 3 sections of the SI

Answer 18

duodenum
jejunum
illiuem

Question 19

what is the function of the duodenum

Answer 19

absorption

Question 20

where does the duodenum starts and why

Answer 20

pylorus sphinctor to regulate flow

Question 21

what are characteristics of the jejunum and the illiem

Answer 21

muscular and constricted

Question 22

what are the function of jejumn and illiem

Answer 22

prevent backflow

Question 23

what is villi

Answer 23

network of fingerlike prjections

Question 24

what does the pancreas produce

Answer 24

digestive enzymes and bile

Question 25

what is the cecum

Answer 25

junction of SI and colon

Question 26

how much does the cecum hold

Answer 26

8 gallons

Question 27

what is the function of the cecum

Answer 27

fermentation

Question 28

what is taeniae coli

Answer 28

relaxation of the 4 bands

Question 29

how much does Large colon hold

Answer 29

20 gallons

Question 30

in order, what is the LC divided into

Answer 30

1. rt venteral
2. sternal flexure
3. left venteral
4. pelvic flexure
5. Lt DORSAL
   6.diaphragmatic
6. rt dorsal

Question 31

what are the functions of the LC

Answer 31

digestion
water absoprtion
fermentation

Question 32

what are the functions of the rectum

Answer 32

holds dung balls, msucle contraction for release of dung balls