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Worksheetsexcretory system
Total questions: 10
Worksheet time: 7mins
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.
Which excretory organ eliminates water and some chemical wastes in perspiration?
a)
lungs
b)
skin
c)
liver
d)
kidneys
5.
What is the tissue region labelled B called?
a)
pelvis
b)
cortex
c)
medulla
d)
capsule
6.
Structure C is known as the...
a)
PCT
b)
Bowman's capsule
c)
Glomerulus
d)
DCT
7.
Where is the Loop of Henle?
a)
F
b)
G
c)
D
d)
E
8.
What do the nephrons do in the kidneys?
a)
cells that pump blood to the body
b)
they are not in the kidneys
c)
they make water in the kidneys
d)
special cells that filter the blood
9.
The correct flow of urine through the body is.....
a)
ureters, kidneys, urethra, bladder
b)
kidneys, urethra, ureter, bladder
c)
kidneys, ureter, bladder, urethra
d)
bladder, ureter, kidneys, urethra
10.
In homeostasis, the kidney regulates the:
a)
levels of electrolytes
b)
amount of water in the body
c)
pH
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