Using some back of the napkin math there are approximately a hundred trillion atoms in a typical neuron. https://www.quora.com/If-a-neuron-were-a-galaxy-how-wo

Using some back of the napkin math there are approximately a hundred trillion atoms in a typical neuron. https://www.quora.com/If-a-neuron-were-a-galaxy-how-would-the-number-of-atoms-in-it-stack-up-to-the-number-of-stars https://www.quora.com/If-a-neuron-were-a-galaxy-how-would-th...