Q.1
Tiny hairlike structures that line your nose and most other airways of the respiratory system.
  • larynx
  • alveoli
  • cilia
  • diaphragm
Q.2
The air tubes in your lungs branch off into smaller, narrower tubes called
  • bronchioles
  • trachea
  • larynx
  • cilia
Q.3
Alveoli expand because they are...
  • coated with mucus
  • coated with surfactant
  • contain carbon dioxide
  • contain oxygen
Q.4
A cavity within a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities.
  • Sinus
  • Nose
  • Pharynx
  • Larynx
Q.5
The process of diffusing oxygen from the blood, into the interstitial fluid and into the cells.
  • inspiration
  • expiration
  • internal respiration
  • external respiration
Q.6
The process of exchanging oxygen and carbon dioxide in the lungs.
  • inspiration
  • expiration
  • internal respiration
  • external respiration
Q.7
The only externally visible part of the respiratory system
  • Eyes
  • Nose
  • Pharynx
  • Larynx
Q.8
Olfactory receptors are located in the mucosa of the nose. What are these receptors used for?
  • sight
  • smell
  • touch
  • taste
Q.9
The drawing in of breath; inhalation.
  • Inspiration
  • Expiration
Q.10
Which part of the Respiratory System plays a major role in speech?
  • nose
  • pharynx
  • larynx
  • trachea
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