gazan child desperately awaits a liver transplant in deir al-balah, hindered by the israeli seizure of the rafah border crossing.the israeli blockade... - 肝 個影片檔及 b 捲影像02:40
1950s: sick boy in bed with teddy bear. hands prepare vaccine. black dots as germs in animation. moving arrow. white cells attack germs - 肝 個影片檔及 b 捲影像00:34注射疫苗
the alcohol problem - what do you think? - part 25 of 31. society's most popular drug is examined from three perspectives: part i reveals the social aspects of drinking, reviews the history of alcohol usage, and dramatizes the economic importance of the a - 肝 個影片檔及 b 捲影像00:33
parasitism (parasitic flatworms) - part 28 of 28. traces the development of parasitic flatworms, showing several life-cycle stages that have rarely been photographed before, including blood flukes and tapeworms. defines predation, mutualism, internal and - 肝 個影片檔及 b 捲影像00:29
the digestive system (2nd edition) - part 30 of 30. using precise animation and photography, this fascinating film shows the mechanical and chemical processes of digestion. the film traces food through the digestive system, illustrating both mechanical an - 肝 個影片檔及 b 捲影像00:32
the digestive system (2nd edition) - part 20 of 30. using precise animation and photography, this fascinating film shows the mechanical and chemical processes of digestion. the film traces food through the digestive system, illustrating both mechanical an - 肝 個影片檔及 b 捲影像00:32人體構造
the digestive system (2nd edition) - part 17 of 30. using precise animation and photography, this fascinating film shows the mechanical and chemical processes of digestion. the film traces food through the digestive system, illustrating both mechanical an - 肝 個影片檔及 b 捲影像00:36人體構造
the digestive system (2nd edition) - part 10 of 30. using precise animation and photography, this fascinating film shows the mechanical and chemical processes of digestion. the film traces food through the digestive system, illustrating both mechanical an - 肝 個影片檔及 b 捲影像00:31人體構造
geese destined to produce foie gras walk in a meadow at the garrigue haute farm on september 9 in prats de carlux, france. foie gras is a culinary... - 肝 個影片檔及 b 捲影像00:09鴨子
geese destined to produce foie gras walk in a meadow at the garrigue haute farm on september 9 in prats de carlux, france. foie gras is a culinary... - 肝 個影片檔及 b 捲影像00:11鴨子
professor alasdair gibb of university college london explaining what the long-term effects may be on sergei and yulia skripal after being... - 肝 個影片檔及 b 捲影像00:19
