- Blood enters the kidneys through an artery from the heart
- Blood is cleaned by passing through millions of tiny blood filters
- Waste material passes through the ureter and is stored in the bladder as urine
- Newly cleaned blood returns to the bloodstream by way of veins
- Bladder becomes full and urine passes out of the body through the urethra.
Deeper Dive! 💡
The kidneys perform their life-sustaining job of filtering and returning to the bloodstream about 200 quarts of fluid every 24 hours. Approximately two quarts are eliminated from the body in the form of urine, while the remainder, about 198 quarts, is retained in the body. The urine we excrete has been stored in the bladder for approximately one to eight hours.
Curious to learn more?
- Continue reading this article from the National Kidney Foundation