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WorksheetsExcretory system
Total questions: 9
Worksheet time: 15mins
Name
Class
Date
1.
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
2.
Which excretory organ eliminates water and some chemical wastes in perspiration?
a)
lungs
b)
skin
c)
liver
d)
kidneys
3.
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
4.
The process of removal of the body’s wastes is called
a)
gas exchange.
b)
respiration.
c)
excretion.
d)
filtration.
5.
What is #3?
a)
Kidney
b)
Ureters
c)
Bladder
d)
Urethra
6.
How many kidneys do you have?
a)
1
b)
3
c)
5
d)
2
7.
Which organ system removes cellular wastes as the result of cellular respiration?
a)
nervous
b)
digestive
c)
excretory
d)
circulatory
8.
What is the function of the urethra?
a)
It filters urea out of the bloodstream
b)
It delivers urine from the bladder to the outside world
c)
It transfers urine from the kidneys to the bladder
d)
It prevents urine from leaking out of the bladder
9.
Excretion is...
a)
The removal of substances from the body
b)
The removal of waste products from the body
c)
The removal of faeces from the body
d)
The release of enzymes or hormones by a gland
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