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

Red blood cells carry oxygen from the lungs around the body. They then carry carbon dioxide from around the body back to the lungs. These cells are an important component of blood. However, a range of ...

Blood does more than move oxygen and fight infection. It also carries a record of where animals came from. A new evolutionary analysis suggests that the roots of blood cells stretch back roughly 700 ...

What Is a RDW Blood Test? An RDW blood test – also known as a red blood cell distribution width blood test – is a measure of the difference in your red blood cells’ size and volume. RDW is one part of ...