≡The human urinary system is composed of kidneys
The human urinary system is composed of kidneys, ureters (transport urine from the kidneys to the bladder), urinary bladder (reservoir where urine is stored) and urethra (expels urine to the outside). Blood reaches the kidneys through the renal arteries. The kidneys are the organs located in the posterior portion of the abdominal cavity that filter the toxic substances present in the blood, such as mineral salts, urea and uric acid, being responsible for the formation of urine. They are bean-shaped and consist of a renal capsule, cortex, and medulla. The outer covering of the kidney is called the renal capsule. In the cortex region are located the nephrons, which are responsible for the formation of urine. Finally, we have the renal medulla, which is the innermost part of the kidney, where the presence of the collecting ducts and the nephric loops (structure that makes up the nephron) is verified.
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