What is Circulation and Why is it Important? The circulatory system is responsible for transporting blood throughout the body, ensuring vital nutrients and oxygen reach all parts of the body ...

Scientists have made an important discovery about the relationship between hematopoietic stem cells (HSCs) and immune response evasion. Their findings show how certain HSCs have regulatory functions ...

In mammals the heart is a double pump. The right side pumps deoxygenated blood to the lungs and the left side pumps oxygenated blood to the rest of the body tissues. This means that a red blood ...

Phlebotomy Technician are responsible for drawing blood needed for tests, donations, transfusions, and research, conducting patient interviews, checking patients' vital signs, and transporting blood ...

Oxygen will diffuse from a high concentration at the alveoli in the lungs, to a lower concentration in the red blood cells. This is a passive process, which means it does not need energy.

Our blood consists of many cell types that develop through different stages from a precursor type -- the blood stem cell. An international research team has now investigated the developmental pathways ...

Every second, an adult generates around five million new blood cells to replace aging or dying ones, making the blood system a highly regenerative organ.