Anatomy and physiology of the respiratory system

The respiratory system takes up oxygen from the air we breathe and expels the unwanted carbon dioxide

The upper respiratory tract includes the nasal cavity , pharynx , and larynx All of these organs are involved in conduction, or the movement of air into and

skeletal system Jeremy P T Ward, Jane Ward, Richard M Leach Lungs The respiratory system consists of a pair of lungs within the thoracic cage Its main

endocrine system The main functions of the respiratory system are to obtain oxygen from the external environment and supply it to the cells and to remove from the body the