. A manual of zoology. Zoology. Fig. H3N.—Right lung of hen, some- what diagrammatic. A window sliows a mesobronclius with its branches, a, artery ; hm, meso- bronchus, arising from the vesti- bule ; hr, bronchus swelling to vestibule; eh, ectobronchus ; I, lung pipes ; J-IV, mesobronchi; 1-5, ducts of lung Fig. 040.—Section of lung pipe, (.\fter Schulze.) pumps. It is probable that in ilight this air-pump action occurs espe- cially with the subpectoral and axillary air sacs, drawing air through the lungs and rendering other respiratory motions superfluous, thus enabling the thorax to r
. A manual of zoology. Zoology. Fig. H3N.—Right lung of hen, some- what diagrammatic. A window sliows a mesobronclius with its branches, a, artery ; hm, meso- bronchus, arising from the vesti- bule ; hr, bronchus swelling to vestibule; eh, ectobronchus ; I, lung pipes ; J-IV, mesobronchi; 1-5, ducts of lung Fig. 040.—Section of lung pipe, (.\fter Schulze.) pumps. It is probable that in ilight this air-pump action occurs espe- cially with the subpectoral and axillary air sacs, drawing air through the lungs and rendering other respiratory motions superfluous, thus enabling the thorax to remain quiet, an important matter. If the trachea be closed and the air canal in the humerus opened, the bird can Ijreathe through the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hertwig, Richard, 1850-1937; Kingsley, J. S. (John Sterling), 1854-1929. New York, H. Holt and Company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1902
