Have you ever wondered how your heart pumps or why you sweat? Do you want to know what happens to the food you eat after you swallow? This book has all the answers, and many more. And when you've read all about your brilliant body, you can test your knowledge usin9 the fun magnetic activity board.
作者简介
目录
Skin,hair,and nails The skeleton Muscles The lungs and breathing The heart Blood Eating and digestion The brain and nerves The Senses Babies and growing up Index
内容加载中，请稍后...
商品评论（0条）