is the  cardiovascular system also called the respiratory system
P874 The respiratory system contributes to homeostasis by providing for the exchange of gases - oxygen and carbon dioxide - between the atmospheric air, blood, and tissue cells. It also helps adjust the pH of body fluids. The cardiovascular and respiratory systems cooperate to supply oxygen and eliminate carbon dioxide. The respiratory system provides for gas exchange - intake of oxygen and elimination of carbon dioxide -and the cardiovascular system transport blood containing the gases between the lungs and body cells.