Topics from January 2017
- Which parts of the body does the skeleton protect?
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- How many bones does a human being have?
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- Why do we have a skeleton and how do we move it?
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- How is urine formed?
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- What causes diarrhoea?
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- What does the large intestine do?
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- Why is the small intestine so long?
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- What happens to the food after it is swallowed?
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- What are organs?
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- What are cells made of?
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- Where does the oxygen in the blood come from?
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- How does the heart work?
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- Why do we need blood?
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- Why is drinking water important for humans?
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- Who were the Neanderthals?
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- Did humans evolve from the apes?
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- What differentiates humans from animals?
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