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

Each 2.54 square centimetre (a square inch) of human skin has six metres (20ft) of blood vessels. Veins hold about 65 per cent of the body's blood and have one-way valves tohelp blood move.

This short film offers a look at respiration and a tour around the circulatory system and digestive system in the human body, through blood vessels and into mitochondria. There is a detailed ...

PRESENTER:'Ella has P.E. today, and her circulatory system is going to have ... Biological processes of the human body. You could recreate the blood cycle / circulation by using red balloons ...

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 ...

To create a model of the human circulatory system, biologist Mátyás Bittenbinder teamed up with chemist Jeroen Kool, both researchers at Vrije University Amsterdam. They cultured endothelial cells ...

A new study reveals that microplastics can block blood flow in the brain, potentially leading to neurological issues like depression and strokes. Researchers tracked microplastics in mouse brains, ...