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WorksheetsExcretory system
Total questions: 15
Worksheet time: 5mins
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.
Under normal conditions, which of the following substances is found in urine?
a)
blood cells
b)
protein
c)
glucose
d)
urea
4.
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
5.
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
6.
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
7.
These organs are responsible for what?
a)
storing urine
b)
storing water
c)
filtering blood
d)
they don't have a particular job
8.
Urine flows out of the kidneys through narrow tubes called
a)
Gallbladder
b)
Ureters
c)
Nephrons
d)
Urethra
9.
What is #1?
a)
Kidney
b)
Ureters
c)
Bladder
d)
Urethra
10.
What is #4?
a)
Kidney
b)
Ureter
c)
Bladder
d)
Urethra
11.
What is #3?
a)
Kidney
b)
Ureters
c)
Bladder
d)
Urethra
12.
What is #2?
a)
Kidney
b)
Ureters
c)
Bladder
d)
Urethra
13.
What chemical do birds convert their nitrogenous waste into for excreting?
a)
Amino acid
b)
Urea
c)
Ammonia
d)
Uric acid
14.
What chemical do most fish convert their nitrogenous waste into for excreting?
a)
Amino acid
b)
Urea
c)
Ammonia
d)
Uric acid
15.
What are the tubes inside kidneys that help to filter the blood called?
a)
Ureters
b)
Collecting ducts
c)
Nephrons
d)
Arteries
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