by RichardSpilsbury (Author)
What are villi? How do bacteria help the digestive system? Why is fibre important? The Human Machine asks the questions that young people want answered. Each chapter contains a different question, so readers can develop their knowledge.
Format: Hardcover
Pages: 32
Publisher: Heinemann Library
Published: 15 Apr 2008
ISBN 10: 0431192049
ISBN 13: 9780431192048