Urine is a liquid waste product produced by the kidneys as they filter and remove excess water, electrolytes, and metabolic waste products from the bloodstream. It is primarily composed of water, along with various dissolved substances, including urea, creatinine, ammonia, and various salts. Urine is typically yellow in color due to the presence of a pigment called urochrome, but its color can vary depending on factors such as hydration levels and diet.
Urine is excreted from the body through the urinary system, which includes the kidneys, ureters, bladder, and urethra. Its main function is to remove waste products and excess substances from the body while helping to maintain a proper balance of water and electrolytes. It is also a means for the body to eliminate certain toxins and metabolic byproducts.
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