White blood cells are formed elements present in blood cells. They are defense cells in human body. There are two forms of WBCs: granular or agranular, which are distinct on basis of presence of granules or absence of granules. The agranular leukocytes have no granules in their cytoplasm and have one lobed nucleus. They are basically two types: lymphocytes or monocytes. Since, they are agranular they did not take any stain and appear as colorless. Lymphocytes or monocytes both provide immunity to the cells and prevent the cell from the infection.

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Chapter 6, Problem 8A

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White blood cells are formed elements present in blood cells. They are defense cells in human body. There are two forms of WBCs: granular or agranular, which are distinct on basis of presence of granules or absence of granules.

The agranular leukocytes have no granules in their cytoplasm and have one lobed nucleus. They are basically two types: lymphocytes or monocytes. Since, they are agranular they did not take any stain and appear as colorless.

Lymphocytes or monocytes both provide immunity to the cells and prevent the cell from the infection.

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