I agree, except the Squid Gian Axon https://en.wikipedia.org/wiki/Squid_giant_axon https://en.wikipedia.org/wiki/Squid_giant_axon that can "1mm diameter and alm

I agree, except the Squid Gian Axon https://en.wikipedia.org/wiki/Squid_giant_axon https://en.wikipedia.org/wiki/Squid_giant_axon that can "1mm diameter and almost 1m long" https://www.understandinganimalresearch.org.uk/using-animals-in-scientific-research/animal-research-species/squid https://www.understandinganimalresearch.org.uk/using-animals...