An essential organ in most animals, including vertebrates and some invertebrates
- Kidneys are essential for urinary system, homeostatic functions such as the regulation of electrolytes, maintenance of acid–base balance, and regulation of blood pressure maintaining salt and water balance) of a body.
- Kidneys are located in the abdominal cavity in the retroperitoneum.
- Renal physiology is the study of kidney function.
- Nephrology is the medical specialty concerned with kidney diseases.
- The kidneys have a higher blood flow than even the brain, liver or heart.
- Blood is carried into the kidneys by the renal artery.
- The Kidneys absorb and distribute 99.9% of the blood volume. Only 0.1% of the blood filtered turns into urine.
- The kidneys of a newborn baby are about 3X larger in proportion to body weight as in the adult.
- An excess of milk or antacids may cause Kidney Stones
- Kidney stones are an accumulation of mineral salts and mostly combined with calcium which can lodge anywhere along the course of the urinary tract.
- Kidney stones come in virtually any color; but most are yellow to brown.
- The incidence kidney failure (or chronic Kidney disease) has doubled the last 15 years.
- Almost 66% kidney failure occurs due to hypertension or diabetes.
- In India 90% patients who suffer from kidney disease are not able to afford the cost of treatment.
- Only one donated Kidney is needed to replace two failed Kidneys.
- The life expectancy of a kidney donar is the same as the general population.
- The trigone is a triangular area in the bladder.
- It is possible a person can survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.