Excretory and Respiratory
systems
Review GAME!!!
What are the main parts of the
respiratory system?
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A. Brain, skin, heart
B. Lungs, brain, muscles
C. Lungs, trachea, nose
D. Heart, blood vessels, skin
The answer is….
C. Lungs, trachea, nose
These help you breathe!
What are the main parts of the
excretory system?
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A. Lungs, heart, bones
B. Lungs, heart, muscles
C. Small intestine, large intestine, stomach
D. Kidneys, urethra, bladder
The answer is…
• D. Kidneys, urethra, bladder
• You use all these parts to get rid of waste
from your body
What percentage of water do we
have in our bodies?
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A. 66%
B. 75%
C. 50%
D. 80%
The answer is….
A. 66%
Our bodies are 2/3 water.
Name the part of the excretory
system that acts as the filter?
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A. Urethra
B. Kidney
C. Bladder
D. Lungs
Give me the answer!
B. Kidneys
Remember from our experiment, the
coffee filter acted as the kidneys!
Where is urine stored before
exiting the body?
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A. Kidneys
B. Bladder
C. Toilet
D. Urethra
The answer is…
B. Bladder
This muscle can hold up to a half liter
of urine before needing emptied!
What do your Ureters do?
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A. Hold urine
B. Tube between kidneys and bladder
C. Take urine to outside of your body
D. Filter waste from your blood
The answer is…
B. Tube between kidneys and bladder
Check your diagram!
What is a nephron?
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A. Tiny filtering unit in the kidney
B. Cell
C. Waste removed from your blood
D. All of the above
I’ve got it!
A. Tiny filtering unit in the kidney
What is the biggest organ in/on
your body?
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A. Heart
B. Lungs
C. Skin
D. Eyes
ME….ME…Pick me, I know!
C. Skin
It covers your whole body….it’s
huge! 
What other systems together
make up the excretory system?
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A. Urinary, Respiratory, Digestive, Skin
B. Urinary, Cardiovascular, Digestive
C. Respiratory only
D. Urinary only
Do you know?
The answer is…
A. Urinary, Respiratory, Digestive,
Skin
If you don’t believe me, it’s in your
book!
Which one of these is a disease of
the respiratory system?
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A. Asthma
B. Cold
C. Cuts on your skin
D. Flu
Do you know this answer?
A. Asthma
It is the only disease on the list!
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What happens if your kidneys
stop working? What do you
need?
A. A doctor
B. Dialysis
C. Medicine
D. All of the above
The answer is…
D. All of the above!
What does dialysis do?
• A. Filters your blood when your kidneys
don’t work
• B. Helps you digest food
• C. Gives you energy
• D. Makes you dinner
Answer please!
A. Filters your blood when your
kidneys don’t work
Your test is tomorrow!
Are you ready?
No? STUDY STUDY STUDY!
Take your book home, study
vocabulary and all your
worksheets!!!! PLEASE 