en.wikipedia.org/wiki/White_blood_cell

White blood cells are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders. All white blood ...

www.urmc.rochester.edu/encyclopedia/content.aspx?ContentTypeID=160&ContentID=35

When your body is in distress and a particular area is under attack, white blood cells rush in to help destroy the harmful substance and prevent illness.

www.webmd.com/cancer/white-blood-cell-count-low

Nov 26, 2017 ... White blood cells, also called leukocytes, fight infection. They move throughout your body in your blood, looking for invaders. And your body is ...

www.cancer.gov/publications/dictionaries/cancer-terms/def/white-blood-cell

A type of blood cell that is made in the bone marrow and found in the blood and lymph tissue. White blood cells are part of the body's immune system.

www.medicalnewstoday.com/articles/315133.php

Nov 21, 2018 ... White blood cells are vital to the body because they fight infection. Most people produce about 100 billion white cells each day. If someone has ...

www.healthline.com/health/wbc-count

White blood cells, or WBCs, are an important part of your immune system. They help fight infections by attacking bacteria, viruses, and germs. Your WBC count ...

www.mayoclinic.org/symptoms/high-white-blood-cell-count/basics/causes/sym-20050611

Jun 11, 2005 ... High white blood cell count: Symptom — Overview covers possible causes of increased disease-fighting cells.

www.mayoclinic.org/symptoms/low-white-blood-cell-count/basics/causes/sym-20050615

Jun 15, 2005 ... White blood cells are manufactured in bone marrow — the spongy tissue inside some of your larger bones. A low white blood cell count usually ...

www.verywellhealth.com/understanding-white-blood-cells-and-counts-2249217

Jun 27, 2019 ... White blood cells (WBCs) are an important part of the immune system. What are the different cells and what is their function in fighting infection?