White blood cells

In this topic

• Leukocytes — the white cells of the blood
• Phagocytosis, pus and inflammation
• Lymphocytes and immunity
• Kinds of immunity, vaccination and serum

Key terms

• Leukocyte
• Diapedesis
• Phagocyte
• Phagocytosis
• Lymphocyte
• Antigen
• Antibody
• Immunity
• Immune memory
• Pus
• Vaccine
• Therapeutic serum

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