In the spring and the fall when trees are releasing pollen jeremy's eyes and nose water causing him a considerable amount of discomfort. when anyone asks him if he is ok, his reply is always, "yes, it is just allergies." how can pollen create such a reaction in jeremy? a) the pollen is sticking to jeremy's eyes causing an irritation. b) the pollen is entering jeremy's respiratory system and his immune cells are attacking it causing a reaction. c) the pollen is accumulating in jeremy's nasal passages and his nose is running to get rid of it. d) it is unknown why pollen creates a reaction in some people