Immunity How does our immune system protect us from disease? Why? One way in which organisms maintain homeostasis is by detecting foreign cells and particles like patho- gens and cancer cells. Once...

Immunity How does our immune system protect us from disease? Why? One way in which organisms maintain homeostasis is by detecting foreign cells and particles like patho- gens and cancer cells. Once the pathogen is detected and identified, other systems in the organism's body can attack the invader, thus keeping the organism healthier. Cells of the human immune system are finely tuned to recognize and respond quickly to disease-causing organisms. Model 1 - Cell Mediated Response Immunity 1. In Model I a pathogen (virus, bacteria, foreign protein, parasite) has entered the bloodstream of the pathogen. an individual. Draw the symbol that represents