3. Kidneys are no bigger than a standard computer mouse or a cell phone.
4. Each individual kidney weighs around 4-6 ounces.
5. In case of new born human babies, the kidney to body weight ratio is 3 times the kidney to body weight ratio in adults.
6. In case of adults, kidneys form only 0.5% of the entire body weight.
7. Exactly half of one single kidney is capable of doing the job that is performed by two kidneys together.
8. Each individual kidney consists of at least 1 million and up to 2 million nephrons. Nephrons are nothing but very tiny filters that are capable of filtering blood and eliminating the waste materials.
9. In a single hour, kidneys receive around 120 pints of blood.