Which two body systems 4 to expel the waste product carbon dioxide ? - Other substances that produce waste include carbohydrates, which produce carbon dioxide and water as waste products. It is the job of the excretory system to rid the body of these wastes. The main organs responsible for many of the excretory functions within humans are the kidneys.
Hydropower plants capture the energy of falling water to generate electricity. A turbine converts the kinetic energy of falling water into mechanical energy. Then a generator converts the mechanical energy from the turbine into electrical energy