THE RESPIRATORY SYSTEM

THE RESPIRATORY SYSTEM respiratory system The upper respiratory tract consists of the nose, mouth, sinuses, pharynx , and larynx endocrine system The respiratory system starts at the nose and mouth and continues through the airways and the lungs Air enters the respiratory system through the nose and

endocrine system When we breathe, the respiratory system takes in oxygen and sends out carbon dioxide The cells in our bodies need fresh oxygen to stay alive

system789 What makes up the respiratory system? · Nose · Mouth · Throat · Voice box · Windpipe · Airways · Lungs  The nose, pharynx, larynx, trachea and bronchi all work like a system of pipes through which the air is funnelled down into our lungs There, in