Innate Immunity

• Innate immunity: defense system that we already have since the day we were born and protects us against ALL ANTIGENS.
• Innate immunity is a NON-SPECIFIC IMMUNITY.
• Innate immunity includes the EXTERNAL physical and chemical barriers provided by the SKIN and MUCOUS MEMBRANES.
• Innate immunity also includes various INTERNAL DEFENSES, such as antimicrobial substances, natural killer cells, phagocytes, inflammation, and fever.