Two major pieces (queens or rooks) can easily force checkmate on the edge of the board. The process is to put the two pieces on adjacent ranks or files and gradually force the king to the side of the board, where one piece keeps the king on the edge of the board while the other delivers checkmate.
Urine is mostly water (about 95% water), however, the rest of the contents of urine can vary depending of what youâve eaten, drank, breathed or been exposed to. The remainder of urine usually consists of urea, uric acid, ammonia, hormones, dead blood cells, proteins, salts and minerals, and toxins.
Structure. The bladder wall is made up of 3 layers. 1  The urothelium lines the inside of the bladder, ureters and urethra. 2  It is made up of urothelial cells, or transitional cells. 3  It is also called the transitional epithelium. 4  The lamina propria is a layer of connective tissue.unction. The bladder stores urine. Urine is made by the kidneys and travels to the bladder through 2 long tubes called ureters. When the bladder is full, the muscles in the bladder wall tighten to pass urine out of the body through the urethra.