Ventilatory Adaptations

  • Pierre Bouverot
Part of the Zoophysiology book series (ZOOPHYSIOLOGY, volume 16)


As seen in Fig. 2.2, the magnitude of the step in \( {\text{P}}_{{\text{O}}_{\text{2}} } \) from ambient air (I) to alveolar gas (A) decreases in mammals at high altitude because they do hyperventilate, replacing more of the alveolar gas with freshly inspired air, and consequently elevating the O2 partial pressure at the medium/blood interface. Such hyperventilation is of adaptive value, being functionally equivalent to a descent to a lower altitude (Rahn and Otis 1949).


Carotid Body Ventilatory Response Hypoxic Exposure Periodic Breathing Chronic Mountain Sickness 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1985

Authors and Affiliations

  • Pierre Bouverot
    • 1
  1. 1.Centre National de la Recherche ScientifiqueLaboratoire de Physiologie Respiratoire associé á l’Université Louis PasteurStrasbourgFrance

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