What is kidney and its function?
Kidneys are two reddish, bean-shaped organs located on either side of the spine in the center of the back. Their prime job is to filter blood . Each kidney contains about a millions of tiny filters that can process around 40 gallons of fluid every day. When blood pressure through the kidney, the filters sieve and hold onto the substances the body might need, such as certain nutrients and much of the water. Extra water along with harmful waste substances and nutrients are routed to the nearby bladder, and flushed away as urine .
