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.
Former Beatle John Lennon has been shot dead by an unknown gunman who opened fire outside the musician's New York apartment. The 40-year-old was shot several times as he entered the Dakota, his luxury apartment building on Manhattan's Upper West Side, opposite Central Park, at 2300 local time.