Just think - everything you do (and think ) - is handled by the extraordinary computer inside Your head.
What happens to every yummy mouthful from the moment you chew it? How Your Muscles let you run, jump - or just stay still to read this book Let the knowledgeable and funny Stickmen show you around - inside you and out Find out why lightning reflexes keep you safe burly white cells fight off bugs the a.
Ber-boom.
Your Heart beats more than once every second.
Just think - everything you do (and think ) - is handled by the extraordinary computer inside Your head