Which system is responsible for eliminating nitrogenous wastes from the body?

The urinary system is specifically designed to manage the body's waste products, including the elimination of nitrogenous wastes, which are byproducts of protein metabolism. This waste primarily comes in the form of urea, creatinine, and uric acid, which are produced when proteins and nucleic acids are broken down.

The primary organs involved in this process are the kidneys, which filter blood to remove these waste products and excess substances, maintaining the body's fluid and electrolyte balance. The waste is then transported through the ureters to the bladder, where it is stored until it is eliminated from the body through urination.

In contrast, while the reproductive system is focused on producing offspring, the circulatory system primarily functions to transport nutrients, gases, and hormones throughout the body, and the lymphatic system is involved in immune response and fluid balance. Thus, the urinary system is uniquely equipped for waste management, underscoring its critical role in homeostasis and overall health.