Place immune cells to stop invading germs!
Neutrophils are the first responders! They rush to the site of infection faster than any other immune cell and attack bacteria directly. They make up about 60% of your white blood cells.
Macrophages are the big eaters! Their name means "big eater" in Greek. They engulf and digest germs, dead cells, and debris. They also alert other immune cells to danger.
T-Cells coordinate the immune response like generals in an army. Killer T-Cells destroy infected cells, while Helper T-Cells tell other immune cells what to do.
Antibodies are Y-shaped proteins that mark invaders for destruction. They stick to germs and slow them down, making it easier for other immune cells to find and destroy them.
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Educational content created by J Radler for the biotech and scientific community. Last updated: February 4, 2026.
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