The renal parenchyma is the functional part of the kidney that includes the renal cortex (the outermost part of the kidney) and the renal medulla. ... The renal medulla consists primarily of tubules/ducts which are the beginning of the collecting system that allows the urine to flow onward to being excreted.
Most liekly ice because ice can cause burns onto the skin which are pretty hazdous just like they make creams to cure cancer and they burn holes into the skin
