That means that the vans are very busy indeed, all the time. So it's a good job we've got the circulatory system to transport nutrients, water and oxygen to the entire body. Your circulatory ...

PRESENTER:'Ella has P.E. today, and her circulatory system is going to have some exceptional challenges to overcome.' BOTH:Bye mum! PRESENTER:'We are going to follow the action in extreme detail.' ...

This article was originally published with the title “ The Circulatory System of Plants ” in Scientific American Magazine Vol. 200 No. 2 (February 1959), p. 44 doi:10.1038 ...