Components of Blood | Zoology

The following points highlight the three main components of blood in vertebrates. The components are: 1. Red Blood Cells 2. White Blood Cells 3. Blood Platelets. Component # 1. Red Blood Cells (RBC) in Vertebrates: It is also called as erythrocytes. Structure: These are small cells of ave­rage diameter 20 pm (7-8 µm in man). All RBC have nuclei except [...]