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Respiratory pump and Venous return NARRATED animation 1970-01-01T00:00:00+00:00With AUDIO. How thoracic pump affects venous return. PT104Shttps://d3e1m60ptf1oym.cloudfront.net/067cd327-2650-4b4c-845c-5e35d2f0d298/respiratory_pump_n_venous_return_xlarge.jpghttps://d3e1m60ptf1oym.cloudfront.net/067cd327-2650-4b4c-845c-5e35d2f0d298/respiratory_pump_n_venous_return_mp4_hd_video.mp4