The distance from the brain to the toe can be more than 1.8 meters (6 feet) in an adult, yet messages can travel between the two in 1/100 of a second.

This is what out nervous system looks like from the inside https://video.nostr.build/0a88d0578b2254bff79326696c26488d0d447587420dd601936ad0d9fc32376c.mp4