BUN-to-creatinine ratio - Definition. [ 1 1] Urea and creatinine are nitrogenous end products of metabolism. 2  The normal range of urea nitrogen in blood or serum is 5 to 20 mg/dl, or 1.8 to 7.1 mmol urea per liter. 3  The normal serum creatinine (sCr) varies with the subject's body muscle mass and with the technique used to measure it.
Direct from petco.com: The minimum age for working in our PETCO stores in 18 years, with the exception of Alaska in which the minimum age requirement is 16 years.. Direct from petco.com: The minimum age for working in our PETCO stores in 18 years, with the exception of Alaska in which the minimum age requirement is 16 years..
How old must you be to work at Petco or Petsmart? I prefer people who can answer from experience, such as employees who work there already. :) I'm 15 1/2 and am starting to look for places to work. I'm willing to wait to apply for jobs once I'm 16, though; but I'm still looking around. I have many hours of animal experience from volunteering at the local... show more I prefer people who can answer from experience, such as employees who work there already.