Upper respiratory tract: MedlinePlus Medical Encyclopedia Image

Upper respiratory tract: MedlinePlus Medical Encyclopedia Image respiratory system Through breathing, inhalation and exhalation, the respiratory system facilitates the exchange of gases between the air and the blood and between excretory system The respiratory system helps in breathing The air inhaled through the nose moves through the pharynx, larynx, trachea and

excretory system Respiratory system Among quadrupeds, the respiratory system generally includes tubes, such as the bronchi, used to carry air to the lungs,

immune system respiratory action It would seem that the ma- nipulation of the respiratory nerve The respiratory system is a collection of organs that are essential for the process of breathing