For Preteens, Teens, and Adults. 1  Tdap is a tetanus, diphtheria, and pertussis vaccine given to preteens, teens, and adults as a one-time shot, or after exposure to tetanus under some circumstances. 2  Preteens and teens 11 through 18 years old (preferably at 11-12 years old) should receive a single dose of Tdap.
Centaurs are half-human, half-horse creatures in Greek mythology. They have the body of a horse and the torso, head and arms of a man. They were considered to be the children of Ixion, king of the Lapiths, and Nephele, a cloud made in the image of Hera.
1 Hippocampus â A Greek mythological creature that is half-horse half-fish. 2  Hippogriff-A creature that has the front quarters of an eagle and hind quarters of a horse. 3  Merlion-A creature with the head of a lion and the body of a fish.4  Ophiotaurus â A creature that is half-bull half-serpent. Gamayun-A creature portrayed with the head a woman with the body of a bird from Russian mythology. 2  Harpy-A half-bird, half-woman creature of Greek mythology, portrayed often as a woman with a body of a bird and the head of a human. 3  Siren-A creature of Greek mythology with a bird body and a human's head.