Air sac Bird Vertebrate Organ Gill, Bird, animals, text, vertebrate png | PNGWing
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Fig. S1. Dogfish gill and VHA translocation in response to blood... | Download Scientific Diagram
Gill - an overview | ScienceDirect Topics
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How Do Penguins Breathe -- aka “Do Penguins Have Gills?” | Penguins International
Comparative anatomy of vertebrates. Anatomy, Comparative; Vertebrates. GILLS 355 Fishes.—In the true Fishes the gills come into close relation with the visceral arches, and in Elasmobranchs they consist of closely approximated
Comparative anatomy and physiology. Chap. VI.] GILLS OF FISHES, 233 the gill sacs open separately to the exterior, but in the hag the ducts unite and open by a common orifice