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Imagens - Human gas exchange system vector illustration. Oxygen travel from lungs to heart, to all body cells and back to lungs as CO2. Red blood cells transporting oxygen from alveoli capillary to all organs.
Human gas exchange system vector illustration. Oxygen travel from lungs to heart, to all body cells and back to lungs as CO2. Red blood cells transporting oxygen from alveoli capillary to all organs.
