Question

2. Why does entry of food into the trachea cause coughing ?​

Answer 1

Answer:

When somebody feels like something went down the wrong pipe, it usually means that it went into his or her trachea, a process known as aspiration. "In otherwise healthy people, the presence of foreign material in the airway is extremely uncomfortable and will stimulate immediate gag and coughing reflexes," says Kim.

Explanation:

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Answer 2

:When somebody feels like something went down the wrong pipe, it usually means that it went into his or her trachea, a process known as aspiration. "In otherwise healthy people, the presence of foreign material in the airway is extremely uncomfortable and will stimulate immediate gag and coughing reflexes

A flap of tissue called the epiglottis sits over the top of the trachea. This flap blocks food and drink from going down into the trachea when you swallow. But in some cases, food or drink can enter the trachea causing aspiration. It may go down as you swallow.

A muscle called the lower esophageal sphincter opens and the bolus passes into the stomach. What is aspiration? Aspiration occurs whenever secretions, food or liquid goes down "the wrong pipe” and enters the airway or lungs. This often results in coughing or choking sensation.