Digestive System

Question 1

mechanical/chemical breakdown of food into particles that individual cells of an animal can absorb

Answer 1

digestion

Question 2

process by which animals take in, digest, absorb, store, and use food to meet their metabolic needs

Answer 2

nutrition

Question 3

2 types of digestive tract

Answer 3

• incomplete
• complete

Question 4

nematoda to vertebrata has ______

Answer 4

complete digestive tract

Question 5

nematoda below has ________

Answer 5

incomplete digestive tract

Question 6

only 1 entrance and excretion

Answer 6

incomplete digestive tract

Question 7

processes leading to digestion

Answer 7

• ingestion
• propulsion (peristalsis)
• mechanical digestion
• chemical digestion
• absorption
• defecation

Question 8

six major subdivisions of the digestive system

Answer 8

• oral cavity
• pharynx
• esophagus
• stomach
• small & large intestine
• rectum

Question 9

begins at the mouth and ends at the pharynx

Answer 9

oral cavity

Question 10

total number of teeth of humans

Answer 10

32

Question 11

pharynx is further subdivided for _____ and _____ passage

Answer 11

• air
• food

Question 12

muscular tube connecting pharynx and stomach

Answer 12

esophagus

Question 13

muscular chamber; secretes gastric juices

Answer 13

stomach

Question 14

4 chambers of stomach [ruminant]

Answer 14

• rumen
• reticulum
• omasum
• abomasum

Question 15

chamber wherein food enters

Answer 15

rumen

Question 16

chamber that forms a bolus

Answer 16

reticulum

Question 17

“re-swallowed grass”

Answer 17

omasum

Question 18

food worked out by gastric glands

Answer 18

abomasum

Question 19

chamber for bacterial action

Answer 19

• reticulum
• omasum

Question 20

chamber for salivary action

Answer 20

abomasum

Question 21

1st segment of small intestine

Answer 21

duodenum

Question 22

produces bile

Answer 22

liver

Question 23

where bile is stored

Answer 23

gallbladder