Digestion
Practice Test
1.
What is the sticky material that coats the lining of the stomach and intestine?
a.
blood
b.
cytoplasm
c.
mucus
d.
hydrochloric acid
Hint
2.
What is the baglike, muscular organ that mixes and chemically changes protein?
a.
large intestine
b.
liver
c.
stomach
d.
small intestine
Hint
3.
What occurs when body organs break large pieces of food into smaller pieces?
a.
physical change
b.
reproduction
c.
enzyme action
d.
chemical change
Hint
4.
What is the liquid formed in the mouth that contains an enzyme?
a.
saliva
b.
bile
c.
hydrochloric acid
d.
blood
Hint
5.
What is the small fingerlike organ located where the small and large intestines join?
a.
gallbladder
b.
saliva gland
c.
appendix
d.
pancreas
Hint
6.
What is the chemical made in the stomach that is not an enzyme?
a.
bile
b.
mucus
c.
saliva
d.
hydrochloric acid
Hint
7.
What are the tiny fingerlike structures covering the inside of the small intestine?
a.
tentacles
b.
villi
c.
glands
d.
pseudopods
Hint
8.
What is a sore or hole in the lining of the stomach or intestine?
a.
anus
b.
mouth
c.
pore
d.
ulcer
Hint
9.
Under normal circumstances, how long does it take for food to pass entirely through the digestive system of a healthy human?
a.
about two days
b.
about 21 hours
c.
about 12 hours
d.
about two hours
Hint
10.
Food passes from the small intestine into what organ?
a.
esophagus
b.
liver
c.
gallbladder
d.
large intestine
Hint
