The circulatory system consists of one heart, five liters of blood, and approximately 96,000 kilometers of blood vessels, ...

The heart is a muscular organ that pumps blood around your circulatory system. The circulatory system is the heart and all the blood vessels in the body which carry cells and substances to all its ...

Learn about the vital functions of the lymphatic system, early warning signs of lymphatic disorders, and effective treatment options available.

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 systems we have created seem to be controlling our minds and bodies. Why did this happen, and what can we do about it?

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 ...

Start with dorsal aorta, formed by 4 pairs of efferent branchial arteries. Within the pleuroperitoneal cavity, it gives off a series of abdominal branches. Locate each of the paired and unpaired ...

“One big difference is that whales are often traveling thousands of miles across ocean basins–great whales undertake the ...

Write down your daily mileage, run times, race distance and times, and how you feel. It’s hard to remember what you did later ...

In 2022, there were 5.16 million deaths among residents of the European Union and the main causes of death across the EU were circulatory diseases, cancer and respiratory diseases, EU statistics ...