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

Your blood is made up of red blood cells, white blood cells, platelets, and plasma . ... They are the most numerous type of white blood cell and your first line of ...

https://www.diabetes.co.uk/body/white-blood-cells.html

White blood cells are cells that help the body fight infection. There are a number of different types of white blood cell which each have different roles.

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

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 ...

https://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 ...

https://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.

https://www.uwosh.edu/med_tech/what-is-elementary-hematology/white-blood-cells

Feb 23, 2012 ... There are five types of white blood cells. They are neutrophils, eosinophils, basophils, lymphocytes, and monocytes. These five types are in two ...

https://www.labroots.com/trending/videos/9734/white-blood-cell-types-functions

Apr 16, 2016 ... White blood cells (leukocytes) are immune system cells that protect the body against diseases and foreign invaders. While they vary in size, ...

https://courses.lumenlearning.com/boundless-ap/chapter/white-blood-cells/

The different types of white blood cells (leukocytes) include neutrophils, ... White blood cells (WBCs), or leukocytes, are immune system cells that defend the ...

http://ib.bioninja.com.au/standard-level/topic-6-human-physiology/63-defence-against-infectio/types-of-leukocytes.html

There are five distinct classes of leukocytes (white blood cells) that coordinate to ... Most abundant type of white blood cell and the first responder to microbial ...

https://www.healthline.com/health/wbc-count

White blood cells originate in the bone marrow but circulate throughout the bloodstream. There are five major types of white ...