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840x1200pxHuman Respiratory System illustration, pulmonary anatomy, trachea structure, respiratory organ function, bronchial tree, alveoli exchange, thoracic cavity
1352x844pxhuman lungs illustration, respiratory system anatomy, carina of trachea, blood vessel in lungs, pulmonary function, respiratory tract diagram, bronchial tree structure
533x720pxRespiratory system diagram, bronchiole structure, lung anatomy illustration, pulmonary alveolus function, respiratory health, breathing process visualization, trachea pathway
1200x1200pxlung anatomy, respiratory system illustration, pulmonary alveoli structure, trachea and bronchi, human lung function, diaphragm movement, breathing process diagram
2060x2370pxhuman lung anatomy, trachea and bronchus, biomedical illustration, chest radiography, respiratory system diagram, pulmonary structure, medical imaging analysis
1917x3386pxBronchus, Trachea, Larynx, respiratory tract anatomy, pulmonary system diagram, medical illustration, airway structure analysis
