The average life span of the WBCs is ____
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The average life span of the WBCs is ____
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Answer:
Overview
Type Approx. % in adults See also: Blood values Lifetime
Neutrophil 62% 6 hours–few days (days in spleen and other tissue)
Eosinophil 2.3% 8–12 days (circulate for 4–5 hours)
Basophil 0.4% A few hours to a few days
Lymphocyte 30% Years for memory cells, weeks for all else
The lifespan of white blood cells ranges from 13 to 20 days, after which time they are destroyed in the lymphatic system. When immature WBCs are first released from the bone marrow into the peripheral blood, they are called "bands" or "stabs." Leukocytes fight infection through a process known as phagocytosis.