EVERYDAY SCIENCE

Detailed explanation-1: -White blood cells are immune system cells. They are like warriors waiting in your blood stream to attack invaders such as bacteria and viruses. When fighting an infection, your body produces more white blood cells.

Detailed explanation-2: -Neutrophils: Help protect your body from infections by killing bacteria, fungi and foreign debris. Lymphocytes: Consist of T cells, natural killer cells and B cells to protect against viral infections and produce proteins to help you fight infection (antibodies).

Detailed explanation-3: -White blood cells: White blood cells (also called leukocytes; pronounced: LOO-kuh-sytes) are a key part of the immune system. The immune system helps the body defend itself against infection. Different types of white blood cells (WBCs) fight germs, such as bacteria and viruses .

Detailed explanation-4: -Neutrophils. They kill and digest bacteria and fungi. They are the most numerous type of white blood cell and your first line of defense when infection strikes.

Detailed explanation-5: -T cells: Also known as T-lymphocytes, these white blood cells help recognize and remove infection-causing cells. Natural killer cells: These cells are responsible for attacking and killing viral cells, as well as cancer cells.