George Washington died after his physician treated his sore throat with bloodletting, but don't let that stop you from ...

Equine surgeon Dr. Larry Bramlage says the type and length of turnout a horse gets when healing makes a crucial difference ...

This all started when Boatman was working out. His heart rate spiked quickly and felt like someone was sitting on his chest.

Ray Dalio, the founder of the world's largest hedge fund, recently warned of serious economic consequences for the U.S. if ...

Veins between two capillary networks are portal systems. Closed circulatory system, but fluid constituents of blood leak out of capillaries and return to the heart by the second component of the ...

The AHA's 2025 report highlights alarming trends in cardiovascular disease, obesity, and lifestyle factors, emphasizing the ...

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 ...

Locate each of the paired and unpaired branches from the dorsal aorta, using Figure 5.4, pages 58 - 60. Keep function and integration of circulatory system in mind as you locate organs.

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 ...