The following points highlight the top six defence mechanisms involved in innate immunity. The defence mechanisms are: 1. Physical (or Mechanical) and Chemical Barriers 2. Inflammation 3. Phagocytosis 4. The Complement System 5. Antibacterial Substances 6. Antiviral Substances. Mechanism # 1. Physical (or Mechanical) and Chemical Barriers: Physical (or mechanical) barriers of the host in […]