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 scarring in or around the urethra that narrows or blocks the passageway through which urine flows from the bladder. The stricture results from inflammation, infection or injury, and is much more common in men than in women. The scarring can occur anywhere between the bladder and the tip of the penis.