Most axons of vertebrates are enclosed in a myelin sheath, which increases the speed of impulse transmission; some large axons may transmit impulses at speeds up to 90 metres (300 feet) per second.
Lynda Carter Wonder Woman's STILL SUPER HOT. 61-year-old Lynda Carter -- famous for playing Wonder Woman on the '70s show -- must really have super powers ... because she's still scorchin' hot.
Carter was 34, Staunton was 26 and she considered him already old. Jim Carter and Imelda Staunton married in 1983 and have one daughter, Bessie, born in 1993. Bessie was to enroll at the National Youth Theatre in 2010. Staunton says of Carter's acting: He has never been the sort of actor who yearns to play Hamlet.