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.
Julian left Glidden in 1953 and established his own laboratory, Julian Laboratories, in 1954. He sold the company in 1961, becoming one of the first black millionaires, before founding Julian Research Institute, a nonprofit organization that he ran for the rest of his life. He died of liver cancer on April 19, 1975.