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Fundamentals of respiratory physiology

In order for any inhaled solvent vapors to enter the blood circulation, they need to reach the alveoli, cross the gas-blood interface and dissolve in the blood. Gas is carried to the gas-blood interface by airways, while blood is carried by blood vessels. Since these functions take place in the lung, the essentials of respiratory physiology will be briefly reviewed. [Pg.1080]

The primary function of the lungs is to allow oxygen to move from the inhaled air into the arterial blood and to allow carbon dioxide to move from the venous blood to the exhaled air. Both oxygen and carbon dioxide move between air and blood by simple diffusion from an area of high partial pressure to an area of low partial pressure. The barrier between air and blood is less than 0.5 pm in thickness and has an area of between 50 to 100 m . This barrier is very efficient for gas exchange by molecular diffusion, according to Pick s 2nd law. [Pg.1080]


See other pages where Fundamentals of respiratory physiology is mentioned: [Pg.1080]    [Pg.1080]    [Pg.550]    [Pg.294]   


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