which lumps blood into the groups A, B, AB and O. The antigens on a person's red blood cells are recognized as safe by the immune system, but someone with type B blood will have antibodies that ...

Researchers have identified a previously unknown biological process that causes tissue and organ damage in conditions where ...

Red blood cells are adept at absorbing green light, which is the color of light usually reflected by plants and other vegetation. In return, these oxygen-rich cells reflect red light, making blood ...

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, ...

Healthy fresh red blood cells have a distinctive biconcave – or dumbbell – shape for efficient oxygen release. During refrigerated storage, red cells become energetically stressed and more ...

One of the blood tests showed that his red blood cells are too big. The nurse said it happens when you drink too much. What causes that? Is it dangerous? Unless it is quite severe, macrocytosis ...