Innate and Adaptive Immunity

Learning outcomes
Having revised this lecture you should be able to:
• Briefly describe the cellular and humoral components
of the innate and adaptive immune systems
• Describe the main differences between the innate and
adaptive immune responses
• Give examples of the cooperation and interdependence of the
innate and adaptive immune systems

immune system
• The body’s defense against disease
causing organisms. The immune system
recognizes foreign bodies by structures
on their cell walls and responds with the
production of immune cells and proteins

Innate immunity
• is present before any and is effective from theexptiomsueroeftboirpthathogens
• Iptathoingveonlsves nonspecific responses to
• Ipnlunsatientiemrnmaulncietlylucloarnsainsdtscohfemexitcearlndalefbeanrsreiesrs

The First Line of Defense
Skin - The dead, outer layer the epidermis, forms ao fs shkieinld, kangoawinns at s ipnovtaednetirasl iannvda dseercsr etes chemicals that kill

Mucus and Cilia
- Breathe in, and bacteri af obruemigpn ipnatort icles rmesupciurastothrryo suygshteomut aynodu r become stuck
- cHilaiiar-sliwkeee spt rtuhcitsu mreusc cuasl liendto tshwea tlhlorowaitn fgor coughing