. Comparative physiology of vertebrate respiration. Vertebrates -- Respiration; Physiology, Comparative. Fig. 13. Diagrams to show four stages in the pulmonary ventilation of a frog. Full lines indicate 'fresh' air; dashed lines — used air. Thick arrows show the major movements, probably active, during each phase. a4ma/iiw\mi^^ J—LJu. 12 3A t r f t r I I f [ I I I I [ I Seconds Fig. 14. Rana. Recordings of the movements of the floor of the mouth and flanks during respiration. The regular bucco-pharyngeal movements are interrupted by periodic ventilation of the lungs. The four phases of fig. 13

---

. Comparative physiology of vertebrate respiration. Vertebrates -- Respiration; Physiology, Comparative. Fig. 13. Diagrams to show four stages in the pulmonary ventilation of a frog. Full lines indicate 'fresh' air; dashed lines — used air. Thick arrows show the major movements, probably active, during each phase. a4ma/iiw\mi^^ J—LJu. 12 3A t r f t r I I f [ I I I I [ I Seconds Fig. 14. Rana. Recordings of the movements of the floor of the mouth and flanks during respiration. The regular bucco-pharyngeal movements are interrupted by periodic ventilation of the lungs. The four phases of fig. 13 are indicated in the faster recording of one such movement 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 Hughes, G. M. (George Morgan). Cambridge, Mass. , Harvard University Press

---

Size: 2274px × 1099px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookpublishercambridgemassharvarduniversitypre