Open AccessBirds do not work harder to breathe
Author(s) -
Kathryn Knight
Publication year - 2017
Publication title -
journal of experimental biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.367
H-Index - 185
eISSN - 1477-9145
pISSN - 0022-0949
DOI - 10.1242/jeb.158675
Subject(s) - altitude (triangle) , effects of high altitude on humans , work (physics) , breathing , work of breathing , ventilation (architecture) , ecology , environmental science , biology , geography , meteorology , respiratory system , engineering , mathematics , anatomy , mechanical engineering , geometry
![Graphic][1] An efficient one-way airflow system is essential for bird flight. Extracting more oxygen per breath than mammals, birds can meet the costly fuel demands of flight. However, despite the gains achieved by maximising the amount of oxygen passing through their lungs, the metabolic
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