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.
The Golden Number Cycle is a cycle of 19 years, while the Solar Cycle is a cycle of 28 years and the Roman Indiction repeats every 15 years. Thus the Julian Period is calculated to be 7980 years long or 2,914,695 days because 19*28*15 = 7980. The Julian Calendar.