Children's Encyclopedia1976 |
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Pàgina 16
... Bones We know about the animals that lived before people were there to see them from fossils . Fossils are the remains of animals that have been preserved in the rocks . When they died , the soft parts of their bodies decayed but the bones ...
... Bones We know about the animals that lived before people were there to see them from fossils . Fossils are the remains of animals that have been preserved in the rocks . When they died , the soft parts of their bodies decayed but the bones ...
Pàgina 30
... bones , linked by joints . The joints allow us to move . Some work like hinges . The bones at a joint are held together by stretchy ligaments . Breathing When you run fast , you sometimes get out of breath . This is because your muscles ...
... bones , linked by joints . The joints allow us to move . Some work like hinges . The bones at a joint are held together by stretchy ligaments . Breathing When you run fast , you sometimes get out of breath . This is because your muscles ...
Pàgina 44
... bones . But from them we can build up a picture of them and of how they lived . The people in the picture lived in Africa . They were just over 3 feet tall . They moved about on two feet , but probably shuffled along rather clumsily ...
... bones . But from them we can build up a picture of them and of how they lived . The people in the picture lived in Africa . They were just over 3 feet tall . They moved about on two feet , but probably shuffled along rather clumsily ...
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