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Your Body's 100,000 Sentries
Published 5 months, 2 weeks ago
Description
The immune system uses 100,000 B‑cell variations to recognize invaders. DNA constantly rearranges to create new defenses. This adaptability confirms we are “fearfully and wonderfully made.”
Image: Human B Lymphocyte (B Cell), NIAID, CC BY 2.0, Wikimedia Commons.