Mechanical ventilation programs use lovers, ducts, together with other mechanical parts to control the stream of air in and out of the making. The kidneys are liable for the regulation of h2o and inorganic ions. Read this tutorial to study different areas of the kidneys and its role in homeostasis... https://ventilation35677.azzablog.com/37878974/an-unbiased-view-of-ventilation-ductwork