I WONDER - What Is An Allergy?

The video explains how the immune system can mistakenly identify harmless substances like pollen or peanuts as threats, leading to allergic reactions. These reactions can cause symptoms such as sneezing and itching. Allergies occur when the immune system wrongly perceives certain antigens as harmful.

What are antigens that do not harm the body often associated with?

• Infections

• Allergies

• Vaccines

• Antibiotics

What happens when the immune system attacks pollen or food particles?

• It improves digestion

• It causes sneezing and itching

• It strengthens the body

• It reduces allergies

Which of the following is a common symptom of an allergic reaction?

• Nausea

• Fever

• Sneezing

• Headache

Why might someone be allergic to peanuts?

• Because they are a common food

• Because the immune system sees them as harmful

• Because they are grown in soil

• Because they are high in protein

What does the immune system mistakenly identify as harmful in allergic individuals?

• Certain foods like eggs

• Viruses

• Bacteria

• Water