 
<translate> Tụgharịa ajụjụ, zaa ụzọ abụọ site ná nkọwa a: Iji zaa ajụjụ ahụ, tụlee ihe ndị na-esonụ: Mkpụrụ ndụ ọbara ọcha (nke a na-akpọkwa leukocytes ma ọ bụ leukocytes na abbreviated dị ka WBCs) bụ mkpụrụ ndụ nke usoro ahụ ji alụso ọrịa ọgụ nke na-ekere òkè n'ichebe ahụ megide ma ọrịa na-efe efe ma ndị si mba ọzọ. <eng> Reconstruct a question, answer pair from this explanation: To answer the question, consider the following: White blood cells (also called leukocytes or leucocytes and abbreviated as WBCs) are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.
 