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WorksheetsDigestion and Excretion Quiz
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
The main function (job) of the digestive system is to
a)
get rid of waste.
b)
break down food so the body can use it.
2.
The excretory system is responsible for
a)
breaking down food.
b)
getting rid of liquid, solid, and gas waste.
3.
The digestive juices are made up of
a)
vitamins and minerals.
b)
enzymes and hydrochloric acid.
4.
Where does the first step of digestion take place?
a)
in the stomach.
b)
in the mouth.
5.
Waste leaves the body from
a)
the skin, the urethra, the lungs, and the anus.
b)
the rectum and the bladder.
6.
A bolus is what we call food after
a)
it leaves the stomach.
b)
it is chewed and swallowed.
7.
Chyme is the soupy, mostly digested food that leaves
a)
the stomach.
b)
the mouth.
8.
The finger-like projections that absorb nutrients in the small intestine are called
a)
alveoli.
b)
villi.
9.
Two additional organs play a role in digesting our food. They are:
a)
pancreas, liver
b)
thyroid, spleen
10.
Chewing is called
a)
mastication.
b)
digestion.
11.
The excretory system has a special system for getting rid of liquid waste called the
a)
endocrine system.
b)
urinary system.
12.
Kidneys, ureters, bladder, nephrons, and urethra are all parts of the
a)
urinary system.
b)
endocrine system.
13.
What lines the stomach and protects it from the hydrochloric acid?
a)
mucus
b)
saliva
14.
Saliva contains what substance that starts breaking down the food in the mouth?
a)
enzymes
b)
acids
15.
Poisons can build up in the body if organs don't filter and get rid of them. This makes you sick and you could die. What is another name for poisons?
a)
toxins
b)
enzymes
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