![Why Does My Heart Pump? Level 6 Factbook (Cambridge Young Readers)](http://monsterbookshop.co.uk/cdn/shop/products/9780521137423_a978c940-975e-4702-a281-210ba406a0d1.jpg?v=1680626138&width=1445)
A series of twenty non-fiction science readers which engages children in the world around them. 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?