Did you know that the human body is probably the most complicated organism in the universe? Here you will find an overview of all of all our major body networks, from the skeleton, muscles and skin to the cardiovascular, nervous and immune systems. You will also discover a huge number of amazing facts about how our bodies work, alongside simple explanations of scientific breakthroughs and the future of medicine. But we also shine a light on the human and social side of physical being, explaining for example that all the people alive today belong to a single species with DNA that is 99.9% the same and that being physically or mentally different is all a part of being human. The Atlas is peppered with unexpected and whacky info such as that the human nose can distinguish a trillion different scents, that laughing is good for your heart because it reduces stress and that no matter how you try you will never be able to lick your elbow!