________ is insurance specifically covers injuries that are related to work.

The average medical office spends ____ of its annual gross income on administrative, clinical, and general supplies. 

A. 1% to 2% B. 2% to 3% C. 4% to 6% D. 8% to 10% E. 12% to 15%

From the attached list, identify number 2 on figure of the kidney: _______________ _______________.