This guide is full of fascinating facts about the human body. Discover why blood is red, how the brain works and how we digest food. A free interactive CD-ROM covering Internet links is included. This description may be from another edition of this product.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.