Leukocytes

neutrophil percentage

50-70% of wbc; most numerous wbc

neutrophil function

active phagoyctes that kill bacteria via respiratory burst

respiratory burst

toxic chemical cloud of oxidizing agents

eosinophil percentage

1-3% of wbc

eosinophil function

weakly phagocytic, kill certain parasites and control inflammation and allergic reactions

basophil percentage

less than 1% of wbc

basophil function

inhibit blood clotting and promote inflammation by releasing heparin and histamine

monocyte percentage

3-9% of wbc; also the largest wbc

monocyte function

transform into macrophages when needed and eliminate bacteria, dead cells, and debris

lymphocyte percentage

25-33% of wbc; smallest of wbc

lymphocyte function

function in immunity