Inflammatory Response
1. Microbe penetrates the barrier
2. Capillaries dilate due to C3a and C5a;
3. Mast cells release cytokines
4. Blood flow increases(redness/rubor), causing heat(calor)
5. Capillaries increase permeability--> edema or "tumor"-->pain(dolor)
6. White blood cells exit capillaries & gather at injury site
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