Biology, asked by pinkigupta7748, 10 months ago

What is histamine?what are the entry routs of allergens?

Answers

Answered by syon1234
0

Answer:

There are three entry routes of allergen

1. nose

2. Mouth

3. Skin

Answered by Quena
0

Answer: Histamine causes many of the symptoms of allergies, such as a runny nose or sneezing. When a person is allergic to a particular substance, such as a food or dust, the immune system mistakenly believes that this usually harmless substance is actually harmful to the body. The entry routes are:

1}Skin

2}Mouth

3}Nose

Explanation:

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