Urine

Liquid waste product filtered from the blood by the kidneys, stored in the bladder, and expelled from the body by the act of urinating.

PubMed Health Glossary
(Source: NIH - National Institute of Diabetes and Digestive and Kidney Diseases)

Terms to know

Bladder
The organ that stores urine.
Blood
A tissue with red blood cells, white blood cells, platelets, and other substances suspended in fluid called plasma. Blood takes oxygen and nutrients to the tissues, and carries away wastes.
Kidney
One of a pair of organs in the abdomen. The kidneys remove waste and extra water from the blood (as urine) and help keep chemicals (such as sodium, potassium, and calcium) balanced in the body. The kidneys also make hormones that help control blood pressure and stimulate bone marrow to make red blood cells.
Urinary Tract
The organs of the body that produce and discharge urine. These include the kidneys, ureters, bladder, and urethra.

Terms to know

Bladder
The organ that stores urine....
Blood
A tissue with red blood cells, white blood cells, platelets, and other substances suspended in fluid called p...
Kidney
One of a pair of organs in the abdomen. The kidneys remove waste and extra water from the blood (as urine) an...
See all 4

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