pages matching 'bronchus'
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Krogh's principle states that "for such a large number of problems there will be some animal of choice, or a few such animals, on which it can be most ...
updated 2012-04-18 18:51:32
Oscine songbirds produce song through the vocal organ, the syrinx, which is composed of bilaterally symmetric halves located where the trachea separates into the two bronchi. Using endoscopic techniques, it ...