basic concept for Oxygenation and perfusion
Definitions
•Oxygenation: mechanisms that facilitate or impair body’s ability to supply oxygen to cells
•Respiration : act of inhaling and exhaling air to transport oxygen to alveoli
•So oxygen may be exchanged for carbon dioxide
•Carbon dioxide expelled from body
•Ventilation : actual exchange of oxygen and carbon dioxide (Breathing)
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Definitions (cont’d)
•Diffusion- The movement of a substance from an area of high concentration to an area of low concentration (Gas exchange).
•Perfusion – A continuous supply of oxygenated blood to every cell in the body (Pumped to all parts).
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