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.

Useful in establishing the differential diagnosis of anemia, calculated by automated blood profiling machine from RBC count, hematocrit and hemoglobin Red Cell Distribution Width (RDW) Expresses ...

We are taught that plasma membranes are a typical lipid bilayer, but how do we know this, and who figured it out? Aa Aa Aa Most books mention that membranes have a typical "lipid bilayer," but why ...

The oxygen molecules are carried in red blood cells. The exchange of these two gasses occurs by a process called diffusion. Alveoli are tiny air sacs in the lungs where gas is exchanged during ...