Seems like the best answer, since at that age, all of your adult teeth have come in and are at a prime moment for being adjusted. Also your wisdom teeth typically come in at that age as well.
In medicine, venipuncture or venepuncture is the process of obtaining ... Blood is most commonly obtained from the superficial veins of the upper limb. The median ... The estimated blood volume in adult animals is 55 to 70 ml/kg body weight.