Why can''t we breathe underwater? Is the small intestine really longer than the human body? How does our brain tell the rest of our body what to do? Find the answers to these and lots of other human body puzzlers inside this fantastic, fact-packed book. Perfect for curious kids aged 8 and up.

Why can''t we breathe underwater? Is the small intestine really longer than the human body? How does our brain tell the rest of our body what to do? Find the answers to these and lots of other human body puzzlers inside this fantastic, fact-packed book. Perfect for curious kids aged 8 and up.

Why can''t we breathe underwater? Is the small intestine really longer than the human body? How does our brain tell the rest of our body what to do? Find the answers to these and lots of other human body puzzlers inside this fantastic, fact-packed book. Perfect for curious kids aged 8 and up.