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WorksheetsRespiratory System in Animals
Total questions: 11
Worksheet time: 6mins
Name
Class
Date
1.
Which body system absorbs oxygen from the surrounding air?
a)
Circulatory system
b)
Digestive system
c)
Muscular system
d)
Respiratory system
2.
In which organ is oxygen absorbed into the blood?
a)
Gills
b)
Mouth
c)
Nose
d)
Stomata
3.
In our lungs, _________ is removed and ________ is absorbed.
a)
oxygen ... carbon dioxide
b)
carbon dioxide ... oxygen
c)
oxygen ... nitrogen
d)
carbon dioxide ... nitrogen
4.
What transports oxygen from our lungs to other parts of the body?
a)
air tubes
b)
gills
c)
blood
d)
stomata
5.
Lungs are part of the __________ system of a human.
a)
circulatory
b)
respiratory
c)
digestive
d)
muscular
6.
We only breathe in oxygen and give out carbon dioxide.
a)
True
b)
False
7.
Gills take in oxygen from the water while lungs take in oxygen from the air.
a)
True
b)
False
8.
The air we breath in contains only oxygen.
a)
True
b)
False
9.
Si Min breathes in and out of a paper bag three times. How has the oxygen and carbon dioxide in the bag changed after three breathes?
a)
Oxygen : increase,
Carbon dioxide : Increase
Carbon dioxide : Increase
b)
Oxygen : increase,
Carbon dioxide : decrease
Carbon dioxide : decrease
c)
Oxygen : decrease,
Carbon dioxide : Increase
Carbon dioxide : Increase
d)
Oxygen : decrease,
Carbon dioxide : decrease
Carbon dioxide : decrease
10.
The body systems that work together to take in oxygen to all parts of the body are ＿＿＿＿＿＿ systems ．
a)
digestive and circulatory
b)
digestive and muscular
c)
circulatory and respiratory
d)
circulatory and muscular
11.
In the lung model shown below, the balloons in the bell jar represents _________ in the human respiratory system.
a)
windpipe
b)
lungs
c)
nose
d)
air spaces
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