Question

Name the five types of white blood cells, and state a function for each type.

Name the five types of white blood cells, and state a function for each type.

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Answer #1

White blood cells are an important part of the body’s immune system. They’re responsible for protecting the human body against infections and invading organisms. Following are the five types of white blood cells:

  • Neutrophils: Neutrophils are a common type of white blood cell important to fighting off infections — particularly those caused by bacteria.
  • Lymphocytes: Lymphocytes are a type of immune cell that is made in the bone marrow and is found in the blood and in lymph tissue. The two main types of lymphocytes are B lymphocytes and T lymphocytes. B lymphocytes make antibodies, and T lymphocytes help kill tumor cells and help control immune responses.
  • Monocytes: Monocytes are a type of white blood cell that fight certain infections and help other white blood cells remove dead or damaged tissues, destroy cancer cells, and regulate immunity against foreign substances.
  • Eosinophils: Eosinophils are a type of disease-fighting white blood cell. This condition most often indicates a parasitic infection, an allergic reaction or cancer.
  • Basophils: Basophils appear in many specific kinds of inflammatory reactions, particularly those that cause allergic symptoms. Basophils contain anticoagulant heparin, which prevents blood from clotting too quickly. They also contain the vasodilator histamine, which promotes blood flow to tissues.
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