Operation Ouch Issue 7 - Spine tinglers

The fun continues in Operation Ouch magazine issue 7! In this issue, learn all about the body's clever building blocks, the cells. Did you know there are around 30 TRILLION of them in your body right now? You'll also investigate how to test your body's automatic reflexes, the evolution of the tiny bones in your ears, and the amazing things scientists are doing with mucus! Play Lizards & Ladders, test your eyesight with amazing Mind Benders, plus make snot bites!