Born this Way
This branch of the immune system is non-specific — it attacks any invader the same way
Innate
This branch is specific to particular invaders and includes B-cells and T-cells.
Adaptive
Skin, complement, neutrophils, macrophages, and NK cells all belong to this branch.
Innate
Adaptive immunity has four properties: specificity, diversity, memory, and this — telling your own cells from invaders
Self/non-self recognition
baby getting antibodies through breast milk is THIS type of immunity — borrowed and temporary.
Passive immunity