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WorksheetsHumans Excretory System
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
What is the main function of the excretory system?
a)
to collect and remove wastes from the body
b)
to strengthen skeletal muscles
c)
to protect the nervous system
d)
to bring oxygen to body cells
2.
Which organ of the excretory system stores urine until the body is ready to eliminate it?
a)
ureters
b)
urethra
c)
urinary bladder
d)
urea
3.
Tiny filtering structures where urine is produced in the kidneys are called
a)
ureters.
b)
alveoli.
c)
nephrons.
d)
bronchi.
4.
Under normal conditions, which of the following substances is found in urine?
a)
blood cells
b)
protein
c)
glucose
d)
urea
5.
Which excretory organ eliminates water and some chemical wastes in perspiration?
a)
lungs
b)
skin
c)
liver
d)
kidneys
6.
What term do scientists use to describe the chemical process in which oxygen and glucose react to release energy inside body cells?
a)
respiration
b)
exhaling
c)
breathing
d)
inhaling
7.
What function do the kidneys perform?
a)
eliminate carbon dioxide
b)
supply oxygen to body cells
c)
remove urea and excess water
d)
play a role in gas exchange
8.
The process of removal of the body’s wastes is called
a)
gas exchange.
b)
respiration.
c)
excretion.
d)
filtration.
9.
Using the picture, what is the structure of A?
a)
ureter
b)
kidney
c)
urinary bladder
d)
urethra
10.
Using the picture, what is the function of structure A?
a)
Carries urine away from the kidneys
b)
Stores urine
c)
Eliminates urea, excess water, and some other materials
d)
Carries urine away from body and eliminates it
11.
Using the picture, what is the function of structure B?
a)
Carries urine away from the kidneys
b)
Stores urine
c)
Eliminates urea, excess water, and some other materials
d)
Carries urine away from body and eliminates it
12.
Using the picture, what is the function of structure C?
a)
Carries urine away from the kidneys
b)
Stores urine
c)
Eliminates urea, excess water, and some other materials
d)
Carries urine away from body and eliminates it
13.
Using the picture, what is the function of structure D?
a)
Carries urine away from the kidneys
b)
Stores urine
c)
Eliminates urea, excess water, and some other materials
d)
Carries urine away from body and eliminates it
14.
Use the diagram, what is structure D?
a)
urethra
b)
kidney
c)
ureter
d)
urinary bladder
15.
The excretory system rids the body of ______ waste.
a)
solid
b)
liquid
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