Did you know that if all the arteries and veins of the human circulatory system were laid end to end, the total length would exceed 60,000 miles, or more than double the circumference of the earth? And that, in a single day, our bodies can produce up to 2 liters of saliva?
This book is full of secrets about the human body. Learn all about the bones, organs, muscles, and joints that keep our bodies functioning! Using scientific data, colorful illustrations, and easy-to-understand graphics, this book covers all the basics of the human body in detail.
Helpful comparisons with animal species will fascinate curious readers of all ages.
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