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Asthma may be attributed to:

  1. A
    Allergic reaction of the mast cells in the lungs
  2. B
    Inflammation of the trachea
  3. C
    Accumulation of fluid in the lung
  4. D
    Bacterial infection of the lungs

Solution & Step-by-step Explanation

Asthma is a respiratory condition characterized by difficulty in breathing and wheezing due to inflammation of bronchi and bronchioles. It is often triggered by an allergic reaction causing mast cells in the lungs to release histamines.

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Asthma may be attributed to:
A
Allergic reaction of the mast cells in the lungs
B
Inflammation of the trachea
C
Accumulation of fluid in the lung
D
Bacterial infection of the lungs

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ZoologyBreathing and Exchange of Gases

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