<p>contorno piuma Angelo uccelli ala piume di uccello</p> <p><em>ClipArt ala</em></p> ala anatomia uccello ClipArt ala
An anatomical diagram consisting of a vertical cross-section of the human head, and showing the relations of the nasal and buccal cavities and the pharynx and larynx, circa 1930. (Photo by Hulton Archive/Getty Images) sfondo bianco 1930-1939 bocca umana Vertical Section