Astound your friends and family with the world's wildest collection of mind-boggling facts and visual comparisons about the human body. Did you know you made 3 million new blood cells while you read this sentence? Or that you shed and regrow a whole new layer of skin every 27 days? Or that your DNA could stretch to the Sun and back not once but 32 times? Find out how many bathtubs of saliva you swallow, how many tankers of blood your heart pumps, how many gigagallons of air your lungs exhale. Witness the smallest bone, the strongest muscle, the fastest nerve, the deadliest parasite. See how an eye works like a 576 megapixel camera and find out why the human brain beats the world's biggest AI supercomputer.