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Why does the body cough if particles get trapped in the trachea?

Answer and explanation

Correct answer: To clear the air passage

The trachea is an air passage leading toward the bronchi and lungs. Its lining helps trap dust and other particles in mucus. A cough is a protective reflex that produces a forceful outward flow of air, helping dislodge and expel the irritant so breathing remains easier. Thus option A is correct; the other options refer to digestion, excretion, or plant transpiration.

Related tags

TracheaCoughBreathingLife ProcessesWorld Of LivingScienceClass 10 Mcq

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