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We Glimpse at the Body Electric - An Introduction to the Physics of the Human Nervous System - NaturPhilosophie
The Human Nervous System: 100 Billion Cells The human nervous system contains roughly 100 billion nerve cells. Worth pausing for an instant... and read it again. That's right, 100 billions! To give an idea of the scale, the Milky Way, our own galaxy, contains roughly 100 billion stars. And although human beings are way smaller than galaxies, we begin to appreciate how each one of us is as complex, as mysterious, and as magnificent in its own right, as any large astronomical entity in the physical Universe.