â¢ PAST (noun) The noun PAST has 3 senses: 1. the time that has elapsed. 2. a earlier period in someone's life (especially one that they have reason to keep secret) 3. a verb tense that expresses actions or states in the past. Familiarity information: PAST used as a noun is uncommon.
The kidneys are located on either side of the body underneath the diaphragm near the lower back. Each kidney is connected to the bladder in the pelvis by ureters (long tube-like structures) that drain the urine from the kidneys to the bladder. Urine stored in the bladder is excreted from the body through the urethra.
What kidneys do. If organs had careers, your kidneys would be chemists. These bean shaped organs, located in the middle of your back, may be small (each one is about the size of a fist), but they perform extremely important tasks. Kidneys process, clean and balance the entire bodyâs blood supply every 5 minutes.