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WorksheetsRespiratory System
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Microscopic sacs are called:
a)
alveoli
b)
bronchi
c)
villi
2.
The breathing muscle is called:
a)
Epiglottis
b)
Bronchiole
c)
Diaphragm
3.
The trachea branches off into two:
a)
Alveoli
b)
Bronchi
c)
Bronchioles
4.
Another name for the throat is called the:
a)
Nasopharynx
b)
Pharynx
c)
Larynx
5.
The membrane that surrounds the lungs is called:
a)
Singular Membrane
b)
Pleural Membrane
c)
Cellular Membrane
6.
Which body structure protects the lungs from outside harm?
a)
Cartilage
b)
Tiny Sacs
c)
The Rib Cage
7.
What important activity takes place in the lungs?
a)
Food is digested
b)
Waste filtered from blood
c)
Oxygen (O2) is exchanged for Carbon Dioxide (CO2)
d)
Trachea is exchanged for the larynx
8.
What is another name for the windpipe?
a)
Lungs
b)
Trachea
c)
Larynx
d)
Esophagus
9.
The Respiratory System is the body's:
a)
Breathing system
b)
Food processing system
c)
Blood transporting system
d)
System of nerves
10.
To go on living, the body's cells need food, water, chemicals and ...
a)
Helium
b)
Oxygen
c)
Nitrogen
d)
Carbon Dioxide
11.
When oxygen enters the body,lungs and capillaries and then CO2 leaves the body-this is known as:
a)
Cellular Respiration
b)
Internal Respiration
c)
External Respiration
12.
When oxygen goes in the body, to the muscles then carbon dioxide leaves muscles by blood to lungs- known as:
a)
External Respiration
b)
Internal Respiration
c)
Cellular Respiration
13.
Oxygen + food(sugar) =ENERGY and CO2 and water is given off
a)
External
b)
Internal
c)
Cellular
14.
Oxygen moves from the lungs into the bloodstream through:
a)
small blood vessels in lungs
b)
nerve fibers
c)
aorta
d)
jugular vein
15.
What is the purpose of nose hairs?
a)
Fight disease
b)
No purpose
c)
Keep dust/particles out of nose
d)
Tickle the nose so you sneeze
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