Question

Q-2: Fill in the blanks.
a. Asthma in children is caused by​

Answer 1

Answer:

Explanation:

In childhood asthma, the lungs and airways become easily inflamed when exposed to certain triggers, such as inhaling pollen or catching a cold or other respiratory infection. Childhood asthma can cause bothersome daily symptoms that interfere with play, sports, school and sleep.

Answer 2

Answer:

Airborne allergens, such as pollen, dust mites, mold spores, pet dander or particles of cockroach waste.

Respiratory infections, such as the common cold.

Physical activity.

Cold air.

Air pollutants and irritants, such as smoke