What pathogens do white blood cells fight?

White blood cells (WBCs) fight infections from bacteria, viruses, fungi, and other pathogens (organisms that cause infection). One important type of WBC is the neutrophil. These cells are made in the bone marrow and travel in the blood throughout the body.

Do white blood cells fight infections by pathogens?

The main parts of the immune system are: White blood cells: Serving as an army against harmful bacteria and viruses, white blood cells search for, attack and destroy germs to keep you healthy.

What causes a person to have a white blood cell disorder?

White blood cell disorders can be caused by viral infections, autoimmune disorders, cancer, certain medications, or severe infections, though some people can be born with congenital white blood cell disorders.

How does the white blood cell destroy a pathogen?

The phagocytes membrane surrounds the pathogen and enzymes found inside the cell break down the pathogen in order to destroy it. As phagocytes do this to all pathogens that they encounter, they are called ‘non-specific’. Lymphocytes are another type of white blood cell. They recognise proteins on the surface of pathogens called antigens.

Why are white blood cells important in the immune system?

White blood cells (WBCs) are a part of the immune system that helps fight infection and defend the body against other foreign materials. Different types of white blood cells are involved in recognizing intruders, killing harmful bacteria, and creating antibodies to protect your body against future exposure to some bacteria and viruses.

Which is the most common type of white blood cell?

Granulocytes are the most common type of white blood cell. They protect against infection by surrounding and destroying invading bacteria. Unlike other types of white cells, they do play an important medical role: they can be used to treat infections that don’t respond to antibiotics. How Many White Blood Cells Are in the Body?