where can blood in urinary tract come from
Blood in urine can come from the kidneys, where urine is made. It also can come from other structures in the urinary tract, such as: 1  Ureters (the tubes from the kidneys to the bladder). 2  Bladder (where urine is stored).3  Urethra (the tube from the bladder to the outside of the body).lood in urine can come from the kidneys, where urine is made. It also can come from other structures in the urinary tract, such as: 1  Ureters (the tubes from the kidneys to the bladder). 2  Bladder (where urine is stored).