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.
When a foal reaches 1 year old it is called a yearling. When a horse reaches its second birthday, it is typically referred to by its adult name: mare for females and stallion for males. Baby horses are often mistakenly called ponies, but this is incorrect. Pony is the name given to horses that are small in size but are still full-grown.