Both cells have same functions. The galvanic cell consist of two different metals connected by salt bridge. It is also known as electrochemical cell. It should not be confused with electrolytic cell. Voltaic cell also consist of two separate compartments.
But very oftenly, you get them from age 17-21. So yeah it depends if you already have your 12 yearold molars, I will edit if you say something! But here is ome more info on wisdom teeth! Wisdom Teeth get their name because they usually arrive about the time of adulthood (17-21 years of age).
Second Molars -- Likewise, these are called 12-year molars. You get the picture! Both first and second molars come in the form of primary and secondary teeth. Once your baby teeth fall out, they will be replaced with permanent first and second molars. Third Molars -- The third molars, or wisdom teeth, are the final molars to come in. You'll probably start to see wisdom teeth erupt between the ages of 17-21. They're called wisdom teeth because by the time they erupt, we're supposed to be old enough to have wisdom.