Scientists have developed a way of assessing the ability of red blood cells to deliver oxygen by measuring their shape. This test could improve specialist transplant and transfusion practice as well ...

Explore the shape, structure, and movement of red blood cells under the microscope in this fascinating science clip.

Red blood cells transport oxygen throughout your body, including to vital organs and tissues. They also help your body get rid of carbon dioxide. Too little or too many red blood cells may be ...