Human respiratory system the system in humans that takes up oxygen and expels carbon dioxide the major organs of the respiratory system include the nose pharynx larynx trachea bronchi lungs and diaphragm learn about the anatomy and function of the respiratory system in this article. The respiratory system is responsible for the exchange of carbon dioxide and oxygen in the human body this system also helps remove metabolic waste products and keep ph levels in check the major . The human body is designed to take in oxygen and to remove carbon dioxide the respiratory system in combination with the cardiovascular system is responsible for providing this function. The human body consists of several integrated systems that must work together for the body to function as a whole in the following pages well study seven of the main organ systems in our bodies at the end of each organ system you will need to make a summary of that organ system to show