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.
Humans evolved from furry, insect-eating creature. Humans, cats, dogs and horses are all descended from a furry, insect-eating creature which lived just 200,000 years after the extinction of dinosaurs, scientists claim. This is an artistâs rendering of the hypothetical placental ancestor, a small insect-eating animal.