leukocyte $rightarrow$ One of several types of white blood cells (T cells and B cells) that participate in nonspecific and specific (immune) defense responses.

BLOOD PHYSIOLOGY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

leukocyte

A	True
B	False
C	Either A or B
D	None of the above

Explanation:

Detailed explanation-1: -Adaptive immune responses are carried out by white blood cells called lymphocytes. There are two broad classes of such responses-antibody responses and cell-mediated immune responses, and they are carried out by different classes of lymphocytes, called B cells and T cells, respectively.

Detailed explanation-2: -Granulocytes are a type of leukocyte that contain granules in their cytoplasm containing enzymes. Neutrophils, basophils and eosinophils are types of granulocytes. Neutrophils are considered the first responders of the innate immune system.

Detailed explanation-3: -T cells can wipe out infected or cancerous cells. They also direct the immune response by helping B lymphocytes to eliminate invading pathogens. B cells create antibodies. B lymphocytes, also called B cells, create a type of protein called an antibody.

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