Kujah
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Inflammation - our blood vessels near the infection site dilate and become more permeable, allowing phagocytes, repairing materials (for a lack of a better name :S) and heat to be brought in to attempt to destroy the pathogens/antigens.Mongoz said:i hate bio rite now
can some plz briefli explaie
2nd line defences
BRIEFLYYY what they are and what they do
much appreciateddd
Phagocytes- WBCs that go around and engulf foreign bodies.
Lymph System- drainage system; lymph nodes possess phagocytes that help destroy antigens that are present within fluids that enter the lymph system. You also have T and B lymphocytes as well.
Cell death- If the body decides that its better off to sacrifice an area of cells, it'll program the cells to die. You can get clusters of dead tissue with WBCs to seal off the area.
Remember its non-specific.