work of the heart - part 21 of 30. rare visuals provide intimate close-ups of the structure and functions of the heart. operating rooms, cardiac laboratories, heart models, photomicroscopy, and artwork - the film combines many varying elements for maximum - 心室 個影片檔及 b 捲影像00:34
work of the heart - part 20 of 30. rare visuals provide intimate close-ups of the structure and functions of the heart. operating rooms, cardiac laboratories, heart models, photomicroscopy, and artwork - the film combines many varying elements for maximum - 心室 個影片檔及 b 捲影像00:34
work of the heart - part 19 of 30. rare visuals provide intimate close-ups of the structure and functions of the heart. operating rooms, cardiac laboratories, heart models, photomicroscopy, and artwork - the film combines many varying elements for maximum - 心室 個影片檔及 b 捲影像00:39
work of the heart - part 18 of 30. rare visuals provide intimate close-ups of the structure and functions of the heart. operating rooms, cardiac laboratories, heart models, photomicroscopy, and artwork - the film combines many varying elements for maximum - 心室 個影片檔及 b 捲影像00:36人體構造
work of the heart - part 17 of 30. rare visuals provide intimate close-ups of the structure and functions of the heart. operating rooms, cardiac laboratories, heart models, photomicroscopy, and artwork - the film combines many varying elements for maximum - 心室 個影片檔及 b 捲影像00:32人體構造
it is never easy to say a final goodbye to a loved one, although rideout memorial hospital in marysville, california, was kind enough to let a dog... - 心室 個影片檔及 b 捲影像00:31
