Titlebook: Respiratory Physiology; Understanding Gas Ex Henry D. Prange Book 1996 Chapman & Hall 1996 anatomy.biological.carbon.carbon dioxide.develop

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Transport of Gases Between the Alveolus and the Blood,from the alveolus to the blood occurs by diffusion alone. The barrier to this diffusion, the . is thin but complex. After the nature of the barrier is given its obligatory description, we can safely consider it as a uniform structure for the time being. We will return to effects of variations in its

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Transport of Oxygen in the Blood,gas exchangers. The differing physical constraints within a closed circulatory system provide yet another set of limitations. Although blood is much more complex (in addition to being thicker) than water, the means by which oxygen is carried in it nevertheless operate on the same set of fundamental

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Transport of Gases Between the Alveolus and the Blood, composition later. For simplicity, this following discussion will emphasize the transport of oxygen from the alveolus to the blood. The transport of carbon dioxide across this barrier differs only slightly, other than in its direction.

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Oxygen Transport in Hypoxic Conditions,ufficient O. in the environment. The types of hypoxia are often named in accordance with the cause. Text Box 9–1 lists common hypoxias. To illustrate how the respiratory system copes with hypoxia, I will discuss four circumstances in which the body must respond to hypoxic conditions: high altitude, pregnancy, exercise, and disease.