500x667pxhuman lung anatomy, respiratory system illustration, heart and lungs diagram, bronchus structure, pulmonary function, thoracic cavity, medical imaging analysis
800x1133pxhuman internal organs illustration, heart and lung anatomy, kidney and liver diagram, brain and stomach structure, medical organ chart, human body systems visual, educational anatomy graphics
558x680pxLung Pulmonary circulation, Bronchus Disease, Heart anatomy, respiratory system diagram, cardiovascular health, medical illustration, pulmonary function test
