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 stricture is a medical condition that mainly affects men. According to the National Institutes of Health (NIH), very few women get urethral strictures. In addition, very few individuals are born with this condition (NIH) . Urethral stricture occurs specifically in the urethra. The urethra is a tube that carries urine from the bladder so it can be expelled from the body. In healthy males, the urethra is wide enough for urine to flow freely through it. When the urethra narrows, it is known as a urethral stricture. Urinary flow can be slightly or severely restricted.