Respuesta :
Answer:
A
Explanation:
The immune system then produces antibodies that remain on the alert for that particular allergen. When you're exposed to the allergen again, these antibodies can release a number of immune system chemicals, such as histamine, that cause allergy symptoms.
Answer:
A
Explanation:
The job of these antibodies is to find the allergens and help remove them from your system. As a result, a chemical called histamine is released and causes symptoms of allergies