Final answer:
The digestive and urinary systems both play crucial roles in waste elimination and water and electrolyte balance maintenance in the body, working together to maintain homeostasis.
Step-by-step explanation:
Both the digestive and the urinary system are essential in the process of waste elimination from the body. The digestive system is responsible for breaking down food into nutrients, and getting rid of solid wastes, while the urinary system filters waste products and excess water from the blood and excretes them as urine. Notably, they both operate in tandem to maintain homeostasis by regulating the body's water and electrolyte balance. The kidneys, a component of the urinary system, are particularly crucial as they actively filter the blood and are the main osmoregulatory organs. Their function is to keep the dissolved ion concentrations of body fluids within proper limits. Both systems are interconnected with other body systems like the cardiovascular and muscular systems, signifying the importance of their coordinated efforts to ensure the overall well-being of the organism.