Human peripheral blood contains a variety of cell types that perform many different functions. This infographic provides a breakdown of the various cell types by frequency and function. Red blood cells, or erythrocytes, are by far the most common cell type and transport oxygen and nutrients throughout the body. Platelets, or thrombocytes, are responsible for forming blood clots and controlling bleeding.
Lastly, white blood cells, or leukocytes, are a critical component of the immune system and fight infection & disease. The infographic provides a detailed description and relative frequency of the seven major classes of peripheral blood mononuclear cells.