Red blood cells are disc-shaped cells with no nucleus. They are very small but their flattened shape gives a relatively large surface area which allows rapid diffusion of oxygen.

Medically reviewed by Gagandeep Brar, MD Bone marrow is the deep, interior portion of your bone. Your bone marrow, which has ...

Factors affecting oxygen release from red cells were described at Oxford's Department of Physiology, Anatomy, and Genetics but the testing method was too laborious for routine use in blood ...