Question

Name the following:

1. hypersensitivity of the human to certain substances in the environment
2. substances that cause allergy
3. allergies that occur during a particular season
4. an animal whose sting may lead to allergic reaction
5. the covering worn over the nose and moth to avoid the inhalation of airborne allergens

Answer 1

Answer:

2 we can't use this substance because our body didn't accept.