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.
The bladder holds between 10 and 14 ounces of urine comfortably in most adults. Urine is produced constantly by the kidneys and then flows into the bladder for storage. The urine is held in the bladder by a valve-like muscle called the sphincter, which is located at the base of the bladder. When the bladder becomes full, a reflex reaction occurs to empty the bladder. The sphincter muscle relaxes to open the bladder outlet and the bladder wall contracts to squeeze out the urine.