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.
B. Specimens may be collected at any time of the day. First morning urine samples will normally contain the highest levels of hCG. C. If not tested immediately, urine may be stored at refrigerated at 36â46oF (2â8oC) for up to 48 hours. Samples must be brought to room temperature before testing. D. For prolonged storage, specimens may be frozen and stored below -20oC.