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WorksheetsRespiratory System
Total questions: 11
Worksheet time: 1hrs 18mins
Name
Class
Date
1.
When we breath in the diaphragm...
a)
Contracts
b)
Relaxes
2.
When we breathe out the diaphragm...
a)
Contracts
b)
Relaxes
3.
When we breathe out, the ____________ leaves our lungs.
a)
Carbon dioxide
b)
Oxygen
4.
Which are the main organs in the respiratory system?
a)
Heart
b)
Stomach
c)
Lungs
d)
Nose
5.
We breathe in carbon dioxide and breathe out oxygen
a)
True
b)
False
6.
When we breathe, we take in ....
a)
nitrogen
b)
carbon dioxide
c)
oxygen
d)
hydrogen
7.
The respiratory organ in the picture is called ....
a)
lung
b)
trachea
c)
bronchioles
d)
bronchi
8.
Why is the left lung slightly smaller than the right lung ?
a)
to give space for the heart
b)
to breathe easily
c)
to give space for the stomach
d)
to swallow easily
9.
The other name for trachea is ....
a)
food pipe
b)
wind pipe
c)
lung
d)
heart
10.
What is the main function of the respiratory system?
a)
to provide oxygen and remove carbon dioxide from the body
b)
to bring oxygen to the body
c)
to break down food and absorb nutrients
d)
to remove oxygen from the body and deliver carbon dioxide
11.
The breathing muscle is called:
a)
Epiglottis
b)
Bronchiole
c)
Diaphragm
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