Explore / Lower secondary (ages 11–14) / PE & Health / The heart and lungs in exercise
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- The heartNew: questions are written when you open itNew
- Heart rateNew: questions are written when you open itNew
- Breathing rateNew: questions are written when you open itNew
- Aerobic and anaerobic exerciseNew: questions are written when you open itNew
- RecoveryNew: questions are written when you open itNew