ABSTRACT
After reading this chapter, the reader should be able to
Differentiate the innate and adaptive immune system.
Describe the passive mechanisms by which the body resists infection.
Explain how the body recognizes invading organisms.
Describe the natural immune system.
Describe the complement system and explain its function.
Describe the adaptive immune system and the role of lymphocytes.
Outline the role of immunoglobulins.
Differentiate and explain the clinical significance of hypersensitivity reactions.
