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 strictures - Anatomy. The male urethra. The male urethra is a tubular structure about 18 cm in length, originating in the bladder, at the inferior and anterior level, and after crossing the pelvic floor and the perineum, it runs along the entire length of the penis, ending at the apex of the gland.