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.
The Plains Zebra and the Mountain Zebra belongs to the subgenus Hippotigris while Grevyâs Zebra belong to the Dolichohippus species. This is similar to an ass while Plains and Mountain Zebras are quite close to horses. There are a lot of distinguishing features between a horse and zebra.ebra vs Horse. The scientific name of a horse is Equus ferus caballus. It is a hoofed mammal and a sub-specie of the seven extant species of the Equidae family.