Respiratory System Question Preview (ID: 44713)
Respiratory System Review.
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The trachea, alveoli, and bronchi are all part of what system?
a) respiratory
b) circulatory
c) digestive
d) excretory
Which of the following is a by-product of respiration?
a) hydrogen
b) oxygen
c) nitrogen
d) carbon dioxide
Which part of the respiratory system is involved in exchanging gases with the bloodstream?
a) glottis
b) alveoli
c) trachea
d) bronchi
Which of the following is a major organ of the respiratory system?
a) brain
b) stomach
c) lung
d) heart
In the respiratory system, which organs are responsible for removing carbon dioxide from the bloodstream?
a) kidneys
b) ovaries
c) lungs
d) tonsils
Inside the lungs, gases move into and out of the blood through the:
a) epiglottis.
b) alveoli.
c) larynx.
d) trachea.
What gas do animals need to breathe in during respiration?
a) hydrogen
b) nitrogen
c) carbon dioxide
d) oxygen
What gas do animals breathe out during respiration?
a) hydrogen
b) nitrogen
c) carbon dioxide
d) oxygen
The ______ keeps the heart pumping and the lungs breathing autonomically.
a) brain
b) spinal chord
c) trachea
d) liver
The lungs ______ when the diaphragm contracts.
a) expand and draw in air
b) contract and expel air
c) push out air
d) decrease in size
The nose, throat, and trachea form a passageway for ______ the body.
a) food to enter and waste to exit
b) blood to flow throughout
c) air to enter and for waste gases to exit
d) the protection and movement of
What is the name of the two structures that branch from the trachea leading to the lungs?
a) alveoli
b) larynx
c) bronchi
d) epiglottis
The expanding and contracting of the lungs is ______.
a) voluntary
b) involuntary
c) essential to plants
d) needed to breathe under water
Lung tissue absorbs oxygen and transfers it to the body through the ______.
a) muscles
b) nerves
c) blood
d) cartilage
The lungs expel air when the ______ relaxes.
a) heart
b) diaphragm
c) stomach
d) esophagus
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