Explore / Primary (ages 7–11) / Science / The heart and circulation
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- The heartNew: questions are written when you open itNew
- Blood vesselsNew: questions are written when you open itNew
- What blood doesNew: questions are written when you open itNew
- Exercise and heart rateNew: questions are written when you open itNew
- Healthy lifestylesNew: questions are written when you open itNew
- Effects of drugs, alcohol and smokingNew: questions are written when you open itNew