How was penicillin discovered, and who discovered it?
How was penicillin discovered, and who discovered it?

How was penicillin discovered, and who discovered it?
From which plant does the painkiller aspirin originate?
Where does the heart drug digitalis originate from?
How were drugs traditionally extracted from plants and microorganisms?
What is the role of preclinical and clinical testing in drug development?
What is the process of discovery and development of potential new medicines?
What is the role of antitoxins in the immune system’s defence against disease?
How do white blood cells produce antibodies to defend against pathogens?
What is phagocytosis, and how does it help defend the body?
How do white blood cells help defend the body against pathogens?