In this video we are:
Describing the ways in which the human body prevents pathogens getting in. Describing the role of the immune system in defence against diseases.
Describing the process of discovery and development of new treatments. The discovery of penicillin and how new drugs are discovered. Describing the stages in testing a new drug and why it is important.
Understanding the roles of: vaccinations, antibiotics and painkillers in treating diseases.
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