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 Evaluation and Surgical Management. The urethra in males is the tube that carries urine from the bladder to the outside of the body and also serves as the channel though which semen is ejaculated. The anterior urethra is the portion of the urethra from the tip of the penis to just before the prostate.