The correct option is
A monocytes
WBC (white blood cells) are also called leucocytes and help the body to fight against foreign agents. There are two types of leucocytes:
- Granulocytes (the ones that have granules in the cytoplasm) like basophil, eosinophil and neutrophils. They have lobed nucleus.
- Agranulocytes (the ones that do not have granules in the cytoplasm) like monocytes and lymphocytes. They do not have lobed nucleus.
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