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Sinopse

Without muscles we would not be able to move. Muscles keep our digestive system working too, and our heart is a large muscle that works all the time. This book looks at how muscles, tendons and nerves all work together to help us move every part of our body.

Duração: 19 minutos (00:19:02)
Data de publicação: 10/08/2017; Unabridged; Copyright Year: — Copyright Statment: —

• Literatura Infanto Juvenil