Explore / Upper secondary (ages 14–16) / Biology / The immune system and vaccines
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- Body defencesNew: questions are written when you open itNew
- White blood cellsNew: questions are written when you open itNew
- AntibodiesNew: questions are written when you open itNew
- VaccinationNew: questions are written when you open itNew
- Antibiotics and painkillersNew: questions are written when you open itNew
- Developing new drugsNew: questions are written when you open itNew