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WorksheetsRespiratory system and breathing
Total questions: 14
Worksheet time: 8mins
Name
Class
Date
1.
When you breathe, your lungs take in ___ and remove ___.
a)
air/oxygen
b)
oxygen/carbon dioxide
c)
carbon dioxide/waste
d)
waste/air
2.
The air sacs that are covered with capillaries where gas exchange takes place
a)
bronchi
b)
lungs
c)
oxygen
d)
alveoli
3.
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
4.
What is the site of gas exchange?
a)
alveoli
b)
nose
c)
lung
d)
bronchi
5.
The division of the trachea forms
a)
nose
b)
main bronchi
c)
lungs
d)
alveoli
6.
the windpipe; a passage through which air moves in the respiratory system.
a)
trachea
b)
lungs
c)
larynx
d)
bronchi
7.
Which 2 substances are exchanged in the Respiratory System?
a)
oxygen and nitrogen
b)
carbon dioxide and oxygen
c)
oxygen and glucose
d)
glucose and carbon dioxide
8.
When you exhale, the diaphragm
a)
moves upwards
b)
moves downwards
c)
flattens
d)
none of the above
9.
The normal oxygen content of inhaled air is approximately
a)
0.04%
b)
21%
c)
79%
d)
100%
10.
Tiny hairs that move particles in the nose are called
a)
mucus
b)
vocal cords
c)
cilia
d)
flagella
11.
When you exhale, the diaphragm
a)
moves upwards
b)
moves downwards
c)
flattens
d)
none of the above
12.
Inhale!!!!
Your lungs are ___________ air
Your lungs are ___________ air
a)
taking in
b)
letting out
13.
EXHALE!!!
My lungs are __________________ air.
My lungs are __________________ air.
a)
taking in
b)
letting out
14.
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
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