Which statement is correct concerning granulocytes?

Granulocytes are a type of white blood cell characterized by the presence of granules in their cytoplasm, and they play a crucial role in the immune response. The correct statement highlights that all granulocytes are larger than red blood cells (RBCs) and are formed in the red bone marrow.

Granulocytes include neutrophils, eosinophils, and basophils, all of which are involved in various immune functions such as phagocytosis, fighting parasitic infections, and mediating allergic responses. Their size, typically larger than that of RBCs (which are about 7-8 micrometers in diameter), allows them to carry out their functions effectively in the immune system. Furthermore, the fact that they are formed in the red bone marrow is significant because this is where hematopoiesis occurs for most blood cells, including all types of granulocytes.

The incorrect options involve misconceptions about the size and origin of granulocytes, as well as their cytoplasmic contents. Therefore, having a clear understanding of both their size and formation site is crucial for grasping their role within the blood and overall immune function.