Medicine | 1940 | Sound | Colour
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Diagrammatic representation of 'working' circulatory system. Aortic arch. Passage of erythrocytes through vessels. Diffusion of gases. Artery vein. Dissected (from life) artery. Rabbit's heart (removed from body) beats and is monitored. Doctor takes radial pulse in schoolboy. Apparatus for measuring pulse-rate. Doctor watches as schoolboy runs up and down steps wearing apparatus. Reading before and after exercise. Diagrammatic representation of the heart cycle and heart beat. Valves chambers etc. Systole, diastole. Diagram representation of exchange of cases at alveoli. Blood cycle.
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