There is a big difference between external and internal respiration. External respiration is basically the transfer of gas between respiratory organs such as lungs and the outer environment. It takes place prior to internal respiration. Internal respiration is the transfer of gas between the blood and cells.
Whatever happened to Julian Lennon? After seven years away from the limelight - a time spent getting his life back together after a disillusioning experience with pop stardom' - the son of a beloved rock icon returns to the public eye and ear with his own record label and a new album, Photograph Smile.
He had two sons, Julian and Sean; Julian from his first marriage with Cynthia Powell and Sean from his marriage with Yoko. Both sons would go on to have music careers of their own. John Lennon was murdered on December 8, 1980, outside of his New York home.