Which system works with the excretory system to eliminate waste from the body?

• A. Circulatory
• B. Respiratory
• C. Nervous
• D. Endocrine

Answer: (A)

The circulatory system works closely with the excretory system to eliminate waste from the body. This collaboration begins with the circulatory system transporting metabolic waste products, such as carbon dioxide and urea, produced by the body’s cells, to various organs where they can be removed.

For instance, the kidneys, a key component of the excretory system, filter these wastes from the blood. The filtered waste is then excreted as urine. Similarly, the circulatory system also aids in the distribution of oxygen and nutrients to the kidneys, which helps maintain their function in waste removal. Additionally, the liver processes and detoxifies substances, and the blood carries these processed materials to the kidneys for elimination.

While the respiratory system is involved in removing carbon dioxide, it primarily works to manage gas exchange rather than directly collaborating with the excretory system for waste management. The nervous and endocrine systems play critical roles in regulating bodily functions and maintaining homeostasis but do not directly participate in the elimination of waste products in conjunction with the excretory system.