Researchers from Wake Forest University have shown that conversion of nitrite to nitric oxide by deoxygenated hemoglobin in red blood cells affects blood flow and clotting. It reduces platelet ...

A physicist in the US has proposed a new way to separate red and white blood cells using a magnetic field. The method, which has not yet been proven in the laboratory, exploits the fact that white and ...

Deoxygenated blood (blue) arrives in the heart’s right atrium from two veins — the superior and inferior vena cava and is then passed through the tricuspid valve to the right ventricle, which pumps it ...

The metabolic activity of any tissue is limited by its blood supply; the more active any organ, the more blood it needs and the more extensive its vascularization. The changes in metabolic activity ...

Water and nutrients are important to keep living things alive and healthy. Animals, including humans, get these from what they eat and drink, but how do the water and nutrients get transported around ...

The brains of older women with Type 2 diabetes do not use adequate oxygenated blood, compared to those who are disease-free. The changes in the blood used in the brain could be the main reason for ...

Not all babies are born with fully functional hearts. Physicians, however, are working hard to improve surgical techniques with the hope of enabling these babies to live longer with a better quality ...