1. Summarize how common substances can trigger allergic reactions.

Question

A: Common substances can trigger allergic reactions when immune systems cells encounter a foreign particle, sending out chemical signals that cause the body to react?

2. Identify how people with allergies or asthma can reduce the allergens in their homes.

A: People with allergies or asthma can reduce allergens in their homes by ridding the places where allergens can be found, sealing the house against outdoor allergens, controlling the growth of mold, and filtering the air inside the house?

Answer 1

Good.