Essay on the Types of Defence Mechanism | Human Health | Biology
Here is an essay on the ‘Types of Defence Mechanism’ for class 8, 9, 10, 11 and 12. Essay # 1. Non-Specific Defence Mechanism: It is similar for most of infections. It checks the entry of pathogens with the help of certain physical barriers or destroys the microbes through inflammatory response. It includes two types of defence: (A) First Line [...]