the.com/spinal
the original information superhighway, transmitting at speeds your fiber optic envies.
signal speednerve impulses hit 268 miles per hour
reflex bossspine reacts before your brain knows
vertebra countthirty-three bones, fused into twenty-six adults
cord lengthstops growing at toddler height, roughly eighteen inches
fluid bathfloats in protective cerebrospinal fluid, cushioning every jolt