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.
Lynda Jean Carter (born July 24, 1951) is an American actress and singer, best known for being Miss World USA and as the star of the 1970s television series ... Lynda Jean Carter (born July 24, 1951) is an American actress and singer, best known for being Miss World USA and as the star of the 1970s television series ...