Innate immune system

• What is the innate immune system?

  The bodies natural barriers
• What are the body's natural barriers that resist infection?

  • skin
  • skin flora (bacteria and fungi)
  • mucus
  • blood clots
  • inflammation (raises temperature that is unfavourable to microbes)
  • phagocytes (cells that engulf and digest)
  • tears, saliva, mucus (contains lysozyme which hydrolyses peptidoglycan in bacterial cell walls)
  • stomach acid