Question

The life span of human granulocytic WBC is approximately

Answer 1

Explanation:

The life span of WBC ranges from 6 - 20 days, depending on the type, after which they are destroyed in the lymphatic system. When immature WBCs are first released from the bone marrow into the blood, they are called bands or stabs. The life span of a circulating human neutrophil is about 5.4 days, while the life span of the monocyte is 10 - 20 hours.