3d cycled animation of glowing line sliding in the shape of an infinity symbol. abstract neon background - - 動物心臟 個影片檔及 b 捲影像00:10心臟
3d cycled animation of glowing line sliding in the shape of an infinity symbol. abstract neon background - - 動物心臟 個影片檔及 b 捲影像00:10
3d cycled animation of glowing line sliding in the shape of an infinity symbol. abstract neon background - - 動物心臟 個影片檔及 b 捲影像00:10
3d cycled animation of glowing line sliding in the shape of an infinity symbol. abstract neon background - - 動物心臟 個影片檔及 b 捲影像00:10
3d cycled animation of glowing line sliding in the shape of an infinity symbol. abstract neon background - - 動物心臟 個影片檔及 b 捲影像00:10
3d cycled animation of glowing line sliding in the shape of an infinity symbol. abstract neon background - - 動物心臟 個影片檔及 b 捲影像00:10
3d cycled animation of glowing line sliding in the shape of an infinity symbol. abstract neon background - - 動物心臟 個影片檔及 b 捲影像00:10心臟
3d cycled animation of glowing line sliding in the shape of an infinity symbol. abstract neon background - - 動物心臟 個影片檔及 b 捲影像00:10
3d cycled animation of glowing line sliding in the shape of an infinity symbol. abstract neon background - - 動物心臟 個影片檔及 b 捲影像00:10
3d cycled animation of glowing line sliding in the shape of an infinity symbol. abstract neon background - - 動物心臟 個影片檔及 b 捲影像00:10
3d cycled animation of glowing line sliding in the shape of an infinity symbol. abstract neon background - - 動物心臟 個影片檔及 b 捲影像00:10
3d cycled animation of glowing line sliding in the shape of an infinity symbol. abstract neon background - - 動物心臟 個影片檔及 b 捲影像00:10
3d cycled animation of glowing line sliding in the shape of an infinity symbol. abstract neon background - red - 動物心臟 個影片檔及 b 捲影像00:10紅色
3d cycled animation of glowing line sliding in the shape of an infinity symbol. abstract neon background - blue - 動物心臟 個影片檔及 b 捲影像00:10
3d cycled animation of glowing line sliding in the shape of an infinity symbol. abstract neon background - pink - 動物心臟 個影片檔及 b 捲影像00:10閃電
life story of the snail - part 9 of 17. presents detailed photographic study of the characteristics, behavior patterns, and life cycle of a typical freshwater snail. shows examples of some of the many different types of snails, as well as some of the sna - 動物心臟 個影片檔及 b 捲影像00:27
work of the heart - part 14 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 - 動物心臟 個影片檔及 b 捲影像00:35
work of the heart - part 12 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 - 動物心臟 個影片檔及 b 捲影像00:25
work of the heart - part 10 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 - 動物心臟 個影片檔及 b 捲影像00:40人體構造
work of the heart - part 8 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 - 動物心臟 個影片檔及 b 捲影像00:32心臟
work of the heart - part 4 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 - 動物心臟 個影片檔及 b 捲影像00:29心臟, 人體構造
what is a mammal? - part 15 of 24. demonstrates the basic structural and behavioral characteristics of mammals and describes their successful adaptation to a wide variety of ecological niches. compares reptilian and mammalian characteristics, such as reac - 動物心臟 個影片檔及 b 捲影像00:35心臟
