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.
Urethral Injuries. If the urethra is injured, a person may develop urethra obstructions or strictures. Urethral strictures occur when the urethra is injured or scarred by an infection and then narrows. As a result, problems with the normal passage of urine and semen can develop. Urethral injuries can have devastating long-term consequences, such as potential complications of impotence, stricture and incontinence.