<div>KIDNEY:</div><div> It is an organ whose function is to filter the blood and to separate it into useful substances and waste.</div>
<div>URETER:</div><div> It is a tube through which it passes the waste from the kidneys to the urinary bladder.</div>
<div>URINARY BLADDER:</div><div> It is an organ that stores the waste produced by the kidneys, and transforms it in urine.</div>
<div>URETHRA:</div><div> It is a conduit by which the urine is expelled.</div>