- Format: Pocket
- Antall sider: 24
- Språk: Engelsk
- Forlag/Utgiver: SD Books
- Serienavn: Cambridge Young Readers
- EAN: 9780521137423
- Utgivelsesår: 2010
- Bidragsyter: Bethune, Helen
179,-
Is the tongue a muscle? How do our bones move? Why do we sneeze? You can find the answers to these and other questions about how the body works in Why Does My Heart Pump?