Solved by a verified expert:MetabolismUtilizing knowledge from your learning and assigned readings, respond to the following questions:Ketosis develops in the postabsorptive state. What is ketosis? Why does it develop? What metabolic effects does it have?What happens during protein catabolism? How is this related to nitrogen balance?To support your work, use your course and text readings and also use outside sources. As in all assignments, cite your sources in your work and provide references for the citations in APA format.Briefly outline the role of the liver in glucose metabolism.The Urinary SystemUtilizing knowledge from your learning and assigned readings, respond to the following questions:List each organ of the urinary system and concisely describe its function.Identify and describe the three major processes involved in urine formation.What is the creatinine clearance test? How can it be used to estimate GFR? How accurate is it?