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The human body is an incredibly complex and intricate system, one that still baffles doctors and researchers on a regular basis despite thousands of years of medical knowledge. As a result, it shouldn’t be any surprise that even body parts and functions we deal with every day have bizarre or unexpected facts and explanations behind them. From sneezes to fingernail growth, here are 100 weird, wacky, and interesting facts about the human body. The Brain The human brain is the most complex and least understood part of the human anatomy. There may be a lot we don’t know, but here are a few interesting facts that we’ve got covered. <p style="text-align:right;color:#A8A8A8"></p>
This .gif animation (1.63MB) repeatedly travels from head to toe in ~135 transverse sections. Depending on your connection, the images will fly by quickly. Rather than trying to see everything at once (all of human anatomy!) try to follow the paths of organs such as the brain , heart , lungs and liver .