MICROANATOMY

Detailed explanation-1: -White blood cells are also called leukocytes. They protect you against illness and disease. Think of white blood cells as your immunity cells.

Detailed explanation-2: -There are several types of white blood cells and they have different roles in defending the body against bacterial, viral, fungal and parasitic infections. When they locate an infection, these cells move to the site under attack to destroy the invading pathogen and prevent illness. Some directly fight intruders.

Detailed explanation-3: -White blood cells are the key players in your immune system. They are made in your bone marrow and are part of the lymphatic system. White blood cells move through blood and tissue throughout your body, looking for foreign invaders (microbes) such as bacteria, viruses, parasites and fungi.