1. Allergies

2. The Respiratory system and carbon dioxide between an organism and the environment. The respiratory system is involved in the intake and exchange of oxygen Dust, mold and pet dander are common triggers for allergies that affect the respiratory system

3. An allergy is an overreaction of the immune system to a substance that's harmless to most people. But in someone with an allergy, the body's immune system treats the substance (called an allergen) as an invader and over reacts, causing symptoms that can range from annoying to serious or life threatening. What is an allergy?

4. 5 symptoms of allergies Sneezing Red watery eyes Hives Swollen body parts Itchiness Black eyes

5. Nuts dairy pollen animals 2,000,000 600,000 40,000,000 10,000,000 Number of people that have allergies to...in millions 45 40 35 30 25 20 15 10 5

6. Animals have allergies too

7. Cat allergy symptoms The most common signs and symptoms of allergies include: *persistent scratching, licking and skin chewing face and ear rubbing skin patches, hair loss and foul odour coughing, sneezing, watery eyes and runny nose frequent vomiting or diarrhea

8. Dog allergy symptoms * coughing and wheezing * red, itchy eyes * runny, itchy, stuffy nose * sneezing

9. Most people are allergic to pollen

10. You may need Or Or maybe

11. Blue to the sky orange to the thigh This is an epipen

12. Thanks for watching !!!!!