Polar bears are excellent swimmers and they will travel long distances between shore and the sea ice if necessary. However, if a storm kicks up during these increasingly long swims (caused by the warming ocean) they can drown. These long swims and storms are also often difficult for cubs.
A urethral stricture is an abnormal narrowing of the urethra that slows or blocks the stream of urine exiting the body.The urethra is part of your urinary system, which is also known as the urinary tract. urethral stricture is an abnormal narrowing of the urethra that slows or blocks the stream of urine exiting the body.
A urethral stricture is scar tissue that has formed in the urethra, the tube that passes urine from the body. This scar tissue can reduce or completely block the flow of urine. If the scar tissue is not removed or loosened, urine builds up in the bladder and can lead to inflammation or an infection of the urinary tract.