ANATOMY

Detailed explanation-1: -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. When they find them, they launch an immune attack.

Detailed explanation-2: -A type of blood cell that is made in the bone marrow and found in the blood and lymph tissue. Leukocytes are part of the body’s immune system. They help the body fight infection and other diseases.

Detailed explanation-3: -Leukocytes pass through spaces between blood vessel cells and the process from attachment to transport across the wall of the blood vessels is called diapedesis. Diapedesis is followed by movement of leukocytes toward the areas of infection marked by high concentration of inflammatory proteins.

Detailed explanation-4: -White blood cell formation occurs in the soft tissue inside of your bones (bone marrow). Two types of white blood cells (lymphocytes) grow in the thymus gland (T cells) and lymph nodes and spleen (B cells).

Detailed explanation-5: -Neutrophils (also called polys, segs, or polymorphonuclear leukocytes) are the most common, making up about 50% to 60% of the total WBCs.