DIGESTIVE SYSTEM

Question 1

system which performs the vital task of transforming food into chemicals that cell can absorb and use for energy

Answer 1

digestive system

Question 2

study of digestive tract and diagnosis & treatment of its diseases

Answer 2

gastroenterology

Question 3

digestive system is consist of

Answer 3

digestive tract and accessory organs

Question 4

digestive tract is also known as

Answer 4

alimentary tract or gastrointestinal tract

Question 5

a tube extending from the mouth to the anus

Answer 5

digestive tract

Question 6

primarily glands that secrete fluids into the digestive tract

Answer 6

accessory organs

Question 7

list all that come under the digestive tract

Answer 7

stomach
small intestine
large intestine
anus
pharynx
mouth
esophagus

Question 8

list all that come under accessory organs

Answer 8

Liver
Teeth
Tongue
Salivary glands
Pancreas
Gallbladder

Question 9

intake of solid or liquid food into the stomach

Answer 9

ingestion

Question 10

normal route of ingestion

Answer 10

oral cavity

Question 11

process by which teeth chew food in the mouth

Answer 11

mastication

Question 12

start of the mechanical digestion in the process of digestion

Answer 12

mastication

Question 13

movement of food from one end of the digestive tract to the other

Answer 13

propulsion

Question 14

total time it takes for food to travel whole length of digestive tract

Answer 14

24-36 hours

Question 15

three categories under propulsion

Answer 15

swallowing (deglutition)
peristalsis
mass movements

Question 16

voluntary movement of bolus from oral cavity to esophagus

Answer 16

swallowing

Question 17

mixture of masticated food and salivary enzymes

Answer 17

bolus

Question 18

muscular contractions that propels materials through most of the digestive tract

Answer 18

peristalsis

Question 19

movement that produces peristalsis

Answer 19

peristaltic waves

Question 20

contractions that move material in some parts of the large intestine to the anus

Answer 20

mass movements

Question 21

functions of the digestive system

Answer 21

ingestion
mastication
propulsion
mixing
secretion
digestion
absorption
elimination

Question 22

these are added to help lubricate, liquify, buffer and digest food as it moves in the digestive tract

Answer 22

secretion

Question 23

function of mucus

Answer 23

lubricate food and lining of tract
protect epithelial cells of the digestive tract from mechanical abrasion

Question 24

breakdown of large organic molecules into their component parts

Answer 24

digestion

Question 25

this type of digestion involves mastication and mixing of food via peristaltic waves

Answer 25

mechanical digestion

Question 26

this type of digestion is accomplished by digestive enzymes secreted along the digestive tract

Answer 26

chemical digestion

Question 27

movement of molecules out of the digestive tract and into the blood or into the lymphatic vessels

Answer 27

absorption

Question 28

process by which waste products of digestion are removed from the body

Answer 28

elimination

Question 29

semisolid wastes

Answer 29

feces

Question 30

feces are eliminated through the process of

Answer 30

defecation

Question 31

innermost layer of digestive system

Answer 31

mucosa

Question 32

the four layers of the digestive tract

Answer 32

mucosa submucosa muscularis serosa

Question 33

three layers of mucosa are

Answer 33

outer: thin layer of smooth muscle (muscularis mucosae) middle: loose connective tissue (lamina propria) inner: mucous epithelium

Question 34

this layer of the digestive tract is for the secretion of mucus, digestive enzymes and hormones

Answer 34

mucosa