Asurgeon is in the operating room assisting on a lung transplant he is working at the cellular level

The statement above is FALSE. In the scenario given above the doctor is working at the organ level. This is because, he is working with lung which is an organ that participates in breathing. The lung is an organ because it is made up of different tissues which are in turn made up of different cells. 
Working at the cellular level involve working with cells. For instance, when a microbiologist is growing a cell in a culture, he is working at a cellular level.

1. aspect is nothing really because the answer is right in front of your face