Place smoke detectors in the best places around the house. It is important to install detectors near sleeping areas and on every level of your home. Also place a detector in hallways and a carbon monoxide detector near heating, such as gas furnaces. Avoid installing a smoke detector in the kitchen.
The kidneys perform the excretory functions of this system. These organs produce urine, a fluid waste product containing water, ions, and small soluble compounds. Urine leaving the kidneys travels along the urinary tract, which consists of the paired ureters and the urinary bladder, where urine is temporarily stored. When urination, or micturition, occurs, contraction of the muscular urinary bladder forces urine through the.
Johnny32525 New Member. Urine should be stored in a fridge for no more than 24 hours for use in a lab analysis. Source: Britain's National Health Service (NHS): I cant post link :/ but Google NHS urine sample and you can see my source. actually have no idea how long urine can be kept at room temp, refrigerated, or frozen. I do know that I keep urine longer than 8 hours until the delivery service gets here.