EVERYDAY SCIENCE

Detailed explanation-1: -White blood cells, also known as leukocytes, are responsible for protecting your body from infection. As part of your immune system, white blood cells circulate in your blood and respond to injury or illness.

Detailed explanation-2: -A WBC count is a blood test to measure the number of white blood cells (WBCs) in the blood. WBCs are also called leukocytes. They help fight infections.

Detailed explanation-3: -The name “white blood cell” derives from the physical appearance of a blood sample after centrifugation. White cells are found in the buffy coat, a thin, typically white layer of nucleated cells between the sedimented red blood cells and the blood plasma. The scientific term leukocyte directly reflects its description.

Detailed explanation-4: -The name was given due to its function and the name indicates its relation to immunity. It is found that the leukocytes are the white blood cells while the lymphocytes are a type of leukocyte. Thus, all lymphocytes are leukocytes but all leukocytes are not lymphocytes.