humoral immunity
innate/adaptive immune system
macrophage
neutrophil
apoprosis
mast cell
cytokine
thymus
receptor/antigen
t-cell
regulatory t-cell
2% of t-cells survive thymus
b-cell: 2 stage authentication
plasma cell
complent protein
antibody
obsinize
IGG,IGA, IGM, IGE
enterpheron
pyro cytokin
MHC class 1
passive immunity