Answered

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When you breathe in what happens to the trachea?
1.the trachea constricts
2.the trachea widens and lengthens
3.the trachea widens and shortens
4.the trachea narrows and lenghtens

Sagot :

Saguirre0062idn

Answer:

2. the trachea widens and lengthens.

Explanation:

Moist, smooth tissue called mucosa lines the inside of the trachea. The trachea widens and lengthens slightly with each breath in, returning to its resting size with each breath out.

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2
if your trachea is constricted or narrowing that is a sign of issue. normally it is very flexible and moves accordingly to what you’re doing
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