FMA7394Respiratory
The composite organ of respiration in the right hemithorax (spanning 156 bronchial and vascular pieces in the atlas) where gas exchange occurs.
Conducts air through three lobar bronchial trees to exchange oxygen and carbon dioxide with pulmonary capillary blood.
Right pleural cavity of the thorax, lateral to the mediastinum and superior to the right hemidiaphragm.
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Breathing depends on pressure changes produced by respiratory muscles, principally the diaphragm and intercostal muscles.
The right ventricle pumps blood to the lungs for oxygenation, and pulmonary veins return oxygenated blood to the left atrium.
Cartilage rings and elastic ligaments keep the trachea and laryngeal airways open during pressure changes.