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.
Individuals from different but genetically closely related species do occasionally mate and produce offsprings, and the result is a hybrid: a distinct creature that shares genetic traits of both parent species, and is many times stronger or larger than the originals.ome half-breeds are well known, like the mule which is a horse and donkey mix. But since hybrids are usually infertile, most are much more rare, like the ones you are about to see below. Some may look fake, but we assure you theyâre in fact completely real. 1. Wolfdog â Wolf / Dog hybrid.