What happens in your head during a headache? What are toes for?

Glenn Murphy, author of Why is Snot Green?, answers these and lots of other brilliant questions in Brains, Bodies, Guts and Stuff. This fact-filled book explores everything from cells to organs, from breathing to blood-flow, from scabs and rashes to broken bones and brainpower. It will tell you everything you ever needed to know about bodies and all the amazing things that go on in them!