Alveoli Vector Illustration Medical Content Vector Graphic
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Short description:
Location and Structure:
- Alveoli are tiny air sacs located at the end of the respiratory tree within the lungs.
- They are clustered together in grape-like formations called alveolar sacs.
- Each alveolus is spherical and has very thin walls to facilitate gas exchange.
Function:
- The primary function of alveoli is to allow oxygen to enter the bloodstream and carbon dioxide to be expelled from the blood.
- This process occurs through diffusion across the thin alveolar and capillary walls.
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