This page has been translated into Belorussian by Paul Bukhovko and is available at www.movavi.com/opensource/birdrespiration-be This page has been translated into Swedish by Johanne Teerink and is available at https://www.autonvaraosatpro.fi/blogi/2017/07/26/4-3/ The avian respiratory system delivers oxygen from the air to the tissues and also removes carbon dioxide. In addition, the respiratory