Heart valves function with heart sound, animation loop.

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Heart valves function with heart sound, animation loop.2017-10-27T09:15:01ZWith AUDIO. Animation showing opening and closing of AV valves and semilunar valves, with heart sounds, cross section, loopablePT7Shttps://d38zjy0x98992m.cloudfront.net/defda848-3a47-43c2-8ce4-c98f1e89ef11/heart_valve_cycle_xlarge.jpghttps://d38zjy0x98992m.cloudfront.net/defda848-3a47-43c2-8ce4-c98f1e89ef11/heart_valve_cycle_mp4_hd_video.mp4