The body of a woman seen from behind with the trunk dissected: two figures showing the lungs after breathing out (left) and after breathing in (right, simulated by inflating the lungs). Coloured lithograph by William Fairland, 1869.

Royalty-Free Standard Commercial licenses are granted for worldwide, non-exclusive and perpetual use, unless specifically noted otherwise. All Royalty-Free transactions are final. The Royalty-Free Standard Commercial license has no limitations and covers up to 15 users.