Answered By: Connie Britton
Last Updated: Aug 21, 2014     Views: 5573

Yes, bees do breathe oxygen and expel carbon dioxide; however, they do not have lungs for respiration. "Rather they have a system of tubes which carry oxygen to and carbon dioxide away from cells. This system of breathing tubes, or tracheae, is connected to the outside world by a series of holes ... called spiracles. When the bee is inactive gas exchange can operate simply by diffusion, but during periods of increased activity bees pump their abdomens to increase gas exchange, using expanded sacs of the trachea as bellows." (Biology of the honey bee, by Mark L. Winston. Cambridge, MA, Harvard University Press, 1987, p. 34.)