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Cyr6 why does my heart pump?

[Libro de texto]
CAMBRIDGE
08 / 2011
Otros
Inglés
Otros
9780521137423
Inglés
CAMBRIDGE YOUNG READERS

Sinopsis

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?