Trachea, Carries air from the mouth and nose to the lungs, Bronchi, Carries air from the trachea to lungs, Haemoglobin, The red pigment found in red blood cells, Oxyhaemoglobin, Formed when oxygen combines with haemoglobin, Inspiration, The intake of air into the lungs, which is brought about by increasing the volume of the chest cavity, Expiration, The expulsion (removal) of air from the lungs through reducing the volume of the chest cavity, Tidal volume, Is the lung volume representing the normal volume of air displayed between normal inhalation and exhalation when extra effort is not applied, Inspiratory reserve volume, Is the additional amount of air that can be inhaled after normal inspiration, Expiratory reserve volume, Is the amount of extra air exhaled during a forceful breath out, Residual volume, Is the amount of air that remains in a persons lungs after fully exhaling

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