Diffusion of gases from alveolus to precapillary arteries.
A cardiac catheter with a platinum electrode just proximal to its tip, "wedged" in a branch of the pulmonary artery, was used to demonstrate the appearance of hydrogen or oxygen at the tip of the catheter after inhalation of these gases.
D001158:Arteries; D019069:Cell Respiration; D004058:Diffusion; D004566:Electrodes; D005740:Gases; D006801:Humans; D006859:Hydrogen; D008168:Lung; D010100:Oxygen; D011650:Pulmonary Alveoli; D012119:Respiration
D005740:Gases; D006859:Hydrogen; D010100:Oxygen
RESPIRATION