Here’s an interesting example of how “wiring” and “plumbing” analogies only go so far in biology. Notice the nerve movement in this little imaging video:
Gotta love #EyeMovements! Look at how much the optic nerves move!!! ❤️#fMRI. Source: https://t.co/GJJEhZPtx1 pic.twitter.com/wvBc8UYQXi— Matthias Nau (@NauMatt) February 19, 2020
If those optic nerves were wires, you could heat ‘em up and break ‘em by watching a tennis match. But of course nerves are much more robust than wires! We don’t get overuse injuries of the optic nerve.