Determining the exact number of atoms that were once part of your body and are now in Tennessee is a complex and practically impossible task. The distribution of atoms from your body would involve numerous factors such as biological processes, decay, decomposition, and the dispersion of matter over time.
Atoms are constantly being exchanged and recycled in various ways. When you breathe, eat, and interact with the environment, atoms from your body are exchanged with the atmosphere, food, and other living organisms. Furthermore, atoms can be transported over long distances through natural processes like wind, water, and geological activities.
Considering these factors, it is highly likely that some of the atoms that were once part of your body have dispersed and reached different locations, including Tennessee. However, it would be challenging to quantify or track the specific atoms and determine the precise number that has ended up in that specific region.
It's worth noting that the atoms that make up your body are not uniquely identifiable as "yours" but are part of a continuous cycle of matter in the universe. Atoms are constantly being rearranged and reused in various forms as part of the natural processes that occur on Earth and beyond.