White blood cells (WBCs) are immune system components that are created in the bone marrow and circulate throughout the blood and lymph system.
Neutrophils, eosinophils, basophils, lymphocytes, and monocytes are all types of white blood cells.
WBCs are essential for keeping your immune system strong and safeguarding your body from illness.
WBC counts in the typical range range from 4,500 to 11,000 cells per cubic millimetre of blood.
High WBC count indicates infection, inflammation, or medical issues, while a low count weakens the immune system, bone marrow issues, or other issues.