Sometimes these names are long and latinate. The sizes of some animals' organs would surprise you. Other animals either don't have organs that you would expect them to, or have very many of them. A larger percentage than you would think of the general population can't answer some basic science, history, or geography questions correctly. Some people or groups of people have remarkably high levels of endurance, enabling them to do things that you may find amazing.
Exponential growth can lead to some surprisingly large numbers very quickly.