500x667pxhuman lung anatomy, respiratory system illustration, heart and lungs diagram, bronchus structure, pulmonary function, thoracic cavity, medical imaging analysis
840x1200pxHuman Respiratory System illustration, pulmonary anatomy, trachea structure, respiratory organ function, bronchial tree, alveoli exchange, thoracic cavity
800x1065pxHeart Anatomy Atrium, Aortic arch Human body, human circulatory system, ventricle and heart阀, cardiovascular health, thoracic cavity structures, heart valve functionality, atrium blood flow diagram
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500x500pxhuman rib cage illustration, Rib cage Heart Anatomy, skeleton drawing, axial skeleton bones, thoracic cavity structure, skeletal system diagram, medical illustration art
663x812pxrib cage anatomy, human skeleton monochrome, black and white rib cage, true ribs illustration, skeletal structure diagram, medical illustration ribs, thoracic cavity bones
