
Vegetarian World

The Human Kidneys

Kidneys are excretory organs present in the body of vertebrate animals. Humans have two kidneys, whose shapes resemble beans.
Functions:
The kidneys have important functions in the human body, such as:
- Excrete waste through urine (examples: urea and creatine);
- Enable homeostasis (stable and constant condition) of the organism;
- Produce some types of hormones such as erythropoietin.
- Regulate the volume of extracellular fluids;
- Produce urine;
- Excreting substances of external origin, such as drugs;
Main features of human kidneys:
- They are the size of an adult human's fist
- On the medial border of each kidney is the hilum, through which the ureter, renal vein, nerves and artery pass;
- The outside of the kidneys is surrounded by fibrous tissue called the renal capsule.
- Around each kidney there is an accumulation of fatty tissue.
- The kidneys are supplied by the renal artery, which originates from the aorta.
Did you know?
- Invest in watermelon, melon and fruits full of water for the good of your kidneys!
- Nephrology is a field of Medicine dedicated to the treatment of problems and diseases of the urinary system and, mainly, of the kidneys. The doctor who specializes in this area is known as a nephrologist.
- The main disease that affects the kidneys is an inflammation known as Nephritis.


