Immune Cells

Meet the diverse army of specialized cells that defend your body. Each cell type has a unique role in the immune response — from rapid first responders to precision-targeted killers.

innate

Neutrophil

First responder phagocyte

50–70% of WBCs

innate

Macrophage

Phagocyte & antigen presenter

5–10% of WBCs

innate

Dendritic Cell

Professional antigen presenter

< 1% of WBCs

innate

NK Cell

Kill infected & tumor cells

5–15% of lymphocytes

adaptive

Helper T Cell (CD4+)

Coordinate immune response

30–40% of lymphocytes

adaptive

Cytotoxic T Cell (CD8+)

Kill infected cells directly

15–25% of lymphocytes

adaptive

B Cell

Produce antibodies

10–20% of lymphocytes

innate

Mast Cell

Trigger inflammation & allergies

Tissue-resident