Download The Excretory System

Mrs. Keadle JH Science
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The Excretory System
Match the following vocabulary words to their definition.
Please write a capital letter in the blank.
A. tube that urine travels to leave the
body.
1.
kidneys
B. sac-like muscular organ that stores
urine.
2.
ureters
C. tiny structures that filter blood in
the kidneys.
3.
bladder
D. filters blood and eliminates cellular
waste. Returns salt, ions and
glucose to the blood.
4.
urethra
E. two narrow tubes that urine flows
through to get to the bladder.
5.
nephron
F. excess salt is released when you
sweat.
6.
sweat gland
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The Excretory System
Mrs. Keadle JH Science
Two body systems work together
to help remove waste products
from blood. What are these two
systems?
7
8
Which of the following is NOT an
organ of excretion?
F
the kidneys
A
circulatory and excretory
G
the skin
B
skeletal and digestive
H
the lungs
C
circulatory and digestive
J
the pancreas
D muscular and excretory
9
The main function of the
excretory system is to A
produce enzymes to help
digest food
B
collect and remove waste
products from the body
C
prevent disease and fight
infections
D
10 Which cell organelle has a
similar function to the excretory
system? Hint: which organelle
helps the cell get rid of waste?
F
mitochondria
G
nucleus
H
lysosome
J
ribosome
carry oxygen and nutrients to
the body’s cells
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The Excretory System
Mrs. Keadle JH Science
11
The excretory system in the human body has several components. Some
of them are identified in the diagram below.
What is the relationship between the kidneys, ureters, and urinary
bladder?
A
They work together to transport blood.
B
They work independently with specialized functions.
C
They work together to maintain the chemical balance of blood.
D
They work as storage organs for fluids to prevent dehydration.
12 A ureter carries liquid waste
between which structures?
13 Which cell organelles have a
similar function the excretory
system?
F
a kidney and the bladder
A
nucleus and cell membrane
G
a nephron and a kidney
B
cell wall and golgi body
H
a glomerulus and a nephron
C
lysosome and golgi
J
the bladder and the outside
of the body
D
mitochondria and nucleus
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The Excretory System
Mrs. Keadle JH Science
14
Which of these organs is part of
the excretory system?
F
kidney
G
liver
H
small intestine
J
stomach
16
15 Which of the following correctly
pairs the structure and function
of the bladder?
A
a pair of tubes; waste
transport
B
a muscular sac; storage of
liquid waste
C
a network of blood vessels;
waste elimination
D
a thin tube; filtration of
waste from the blood
The diagram below shows some structures of the human excretory system.
Which of these structures filters wastes from the blood and regulates the
amount of water in the body to maintain homeostasis?
F
R
G
S
H
T
J
W
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The Excretory System