Describe the role of the complement system

Describe the role of the complement system 2. Differentiate between the classical, Alternative, and Lectin pathways and indicate the proteins and activators involved. 3. Explain how C3 plays a key role in all three pathways of the complement system 4. Describe deficiencies of complement components and the disease they cause 5. Discuss the regulators of the complement system 6. Differentiate tests for functional activity of complement from their measurements in the serology labs 7. Analyze laboratory findings to indicate disease implications about complement abnormalities.