ANATOMY

Detailed explanation-1: -Types of white blood cells that are most important for helping protect the body from infection and foreign cells include the following: Neutrophils. Eosinophils. Lymphocytes.

Detailed explanation-2: -WBC’s are composed of granulocytes (neutrophils, eosinophils, and basophils) and non-granulocytes (lymphocytes and monocytes).

Detailed explanation-3: -Whole blood contains red cells, white cells, and platelets ( 45% of volume) suspended in blood plasma ( 55% of volume). Whole Blood is the simplest, most common type of blood donation.

Detailed explanation-4: -A white blood cell, also known as a leukocyte or white corpuscle, is a cellular component of the blood that lacks hemoglobin, has a nucleus, is capable of motility, and defends the body against infection and disease.

Detailed explanation-5: -So, the correct answer is ‘Platelet’