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Respiratory System
Test Description: Respiratory System Review
Instructions: Answer all questions to get your test result.
1) The trachea, alveoli, and bronchi are all part of what system?
A
excretory
B
circulatory
C
digestive
D
respiratory
2) Which of the following is a by-product of respiration?
A
nitrogen
B
oxygen
C
hydrogen
D
carbon dioxide
3) Which part of the respiratory system is involved in exchanging gases with the bloodstream?
A
glottis
B
trachea
C
alveoli
D
bronchi
4) Which of the following is a major organ of the respiratory system?
A
brain
B
stomach
C
heart
D
lung
5) In the respiratory system, which organs are responsible for removing carbon dioxide from the bloodstream?
A
ovaries
B
tonsils
C
lungs
D
kidneys
6) Inside the lungs, gases move into and out of the blood through the:
A
larynx.
B
alveoli.
C
trachea.
D
epiglottis.
7) What gas do animals need to breathe in during respiration?
A
carbon dioxide
B
nitrogen
C
oxygen
D
hydrogen
8) What gas do animals breathe out during respiration?
A
carbon dioxide
B
nitrogen
C
oxygen
D
hydrogen
9) The ______ keeps the heart pumping and the lungs breathing autonomically.
A
spinal chord
B
trachea
C
liver
D
brain
10) The lungs ______ when the diaphragm contracts.
A
expand and draw in air
B
decrease in size
C
push out air
D
contract and expel air
11) The nose, throat, and trachea form a passageway for ______ the body.
A
blood to flow throughout
B
food to enter and waste to exit
C
air to enter and for waste gases to exit
D
the protection and movement of
12) What is the name of the two structures that branch from the trachea leading to the lungs?
A
bronchi
B
alveoli
C
epiglottis
D
larynx
13) The expanding and contracting of the lungs is ______.
A
voluntary
B
needed to breathe under water
C
essential to plants
D
involuntary
14) Lung tissue absorbs oxygen and transfers it to the body through the ______.
A
cartilage
B
muscles
C
blood
D
nerves
15) The lungs expel air when the ______ relaxes.
A
esophagus
B
diaphragm
C
stomach
D
heart
*select an answer for all questions
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