Drugs can either relieve symptoms (painkillers) or treat the underlying disease (antibiotics). Learn about the drugs you need to know and how they work - including why antibiotics don't work against viruses.
- 5 жыл бұрын
GCSE Biology - Drugs - Painkillers vs Antibiotics - Relief vs Treatment #44
- Рет қаралды 116,402
Пікірлер: 80