smaller now , shed of so many layers of happy eating , his dad struck him as a large and wrinkly cpu hooked up to endless feeds and circuits , lying as he did , thinalmost wasted nowon white sheets with all the pieces of the recently installed jarvik-9 artificial heart amidst endless monitors , iv feeds , respirator valves , ekg sensors , and several he had no idea what they were calleds , all taking part in this massive scientific invasion to maintain life .