To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1 Three-dimensional reconstructions of ringed seal PH1802 at both inflated (0 mmHg) and inflated (30 mmHg) lung inflation pressures. The trachea is red, bronchi are yellow, and lungs are blue. In vivo measurement of lung volume in ringed seals: insights from biomedical imaging Holly Hermann-Sorensen, Nicole M. Thometz, Kathleen Woodie, Sophie Dennison-Gibby, and Colleen Reichmuth Journal of Experimental Biology 2021. 224:None-None; doi: 10.1242/jeb.235507 Download Original Video