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

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.

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

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?

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 .... There are various disorders in which the number of white blood cells is normal but the cells do not function normally. Neoplasia of WBCs can be ...

https://www.britannica.com/science/white-blood-cell

White blood cell, also called leukocyte or white corpuscle, a cellular component of the blood that lacks hemoglobin, has a nucleus, is capable of motility, and ...

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

Feb 23, 2012 ... White blood cells are the largest blood cell and can move by sticking out one part of their body and dragging the rest of themself along.

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

The different types of white blood cells (leukocytes) include neutrophils, basophils, eosinophils, ... Describe the functions of leukocytes (white blood cells)  ...

https://www.nursingtimes.net/clinical-archive/haematology/functions-and-diseases-of-red-and-white-blood-cells/5068033.article

Feb 14, 2014 ... Red and white blood cells have a range of functions and a full blood count is the one of the most frequently requested routine tests to aid ...

https://emedicine.medscape.com/article/960027-overview

White Blood Cell Function Overview of the Immune System. Updated: Aug 12, 2016. Author: Pedro A de Alarcon, MD; Chief Editor: Robert J Arceci, MD, PhD ...

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.