Alveoli

(noun)

Small air sacs or cavities in the lung that give the tissue a honeycomb appearance and expand its surface area for the exchange of oxygen and carbon dioxide.

Related Terms

  • Thoracic Cavity
  • Poiseuille’s Law

Examples of Alveoli in the following topics:

  • Pressure in the Body

    • The reduction in pressure of the thoracic cavity, which normally has a negative gauge pressure, thus keeping the lungs inflated, pulls air into the lungs, inflating the alveoli and resulting in oxygen transport needed for respiration.
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