What role does the immune system play in allergic reactions?

Step-by-step solution

The immune system plays a significant role in allergic reactions, as it is responsible for the release of histamine and serotonin. By exposing or injecting a patient with very small doses of possible allergens, the cause of an allergy can be determined by studying the reactions.The exaggerated response of the immune system to certain antigens present in the environment is called allergy. The substances to which such an immune response is produced are called allergens. The symptoms of allergic reactions include snee