Question

Define White Blood Cell (WBC).​

Answer 1

• White blood cells (WBCs), also called leukocytes or leucocytes, are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders. All white blood cells are produced and derived from multipotent cells in the bone marrow known as hematopoietic stem cells.

Answer 2

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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. They help the body fight infection and other diseases. ... Checking the number of white blood cells in the blood is usually part of a complete blood cell (CBC) test.