Explain the process by which an attack of hay fever follows exposure to pollen.?

You breath in pollen particals.



This irritates the nasel passages because of alergic reaction.



This into leads to secretion of mucous to wash out the particals and to deal with the inflammation from the alergic reaction.



Then this lead to snot and sneezing.

Explain the process by which an attack of hay fever follows exposure to pollen.?
Specialized cells attack the invading allergen as if it were a serious threat. Part of that attack process involves something called cell degranulation, where the immune cells release a load of chemicals. It's those chemicals, namely histamine, which cause the symptoms. Report It

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