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News in Physiological Sciences, Vol 8, 249-253, Copyright © 1993 by International Union of Physiological Sciences
ARTICLES |
JB West and O Mathieu-Costello
The blood-gas barrier needs to be extremely thin for gas exchange, but also immensely strong because the capillary wall stresses become very high during exercise. Failure of the barrier causes high-permeability pulmonary edema or hemorrhage. Avoiding stress failure poses a challenging problem for some animals.
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