Stabilize the heart and body to increase survival rate
b.)diet
You can't control your age obviously.
You can't really control your family.
You can't control your gender. Gender is coded into your DNA.
Preset trays hold all instruments need in a particular procedure. It is put together in a tub and trays are easily exchanged for other instruments. It is designed to increase efficiency in operations, minimize waiting time and space is reconfigured.