Two separate teams of researchers have found a way to grow blood vessels within lab-grown organs. The creation of miniature organs in the lab, such as tiny replicas of hearts, livers, and lungs, has ...

This means blood travelling from the heart and lungs to the cells with lots of oxygen is bright red. After haemoglobin drops off its oxygen to the cells, it is a dull, dark red.

Learn more about red blood cells, transporters of oxygen throughout your body, including vital organs and tissues.

Study findings published in JAMA showed no benefit in using fresh red blood cells — cells stored for a maximum of 7 days — over older red blood cells in critically ill pediatric patients ...

Ants have something similar to blood, but it’s called haemolymph. Some insects use it in unusual ways. When threatened by a predator, blister beetles can squirt haemolymph from their knees.

A trial involving nearly 200 children with sickle-cell anemia found that monthly blood transfusions could reduce strokes by more than half.

A Massachusetts mom recently spoke to People magazine about the rare genetic disease that she shares with the three daughters who she adopted from China.

Key Takeaways An oral chemo drug is safe and effective for sickle cell disease in childrenHydroxyurea helps red blood cells retain a healthy, round shapeThe drug significantly reduced ER visits ...

Red blood cells carry oxygen from the lungs to every other organ, and blood-forming stem cells must make about 200 billion new red blood cells each day to keep the oxygen flowing. For many years, ...

A diagram illustrating how the sonoporation process allows trehalose molecules to enter red blood cells ...

Learn about white blood cells, which help your body fight inflammation and infections. A high or low white blood cell count may be associated with certain health conditions.