Science, asked by rkRahul7638, 2 months ago

7(i) Which of the following prevent collapsing of trachea? (a) Diaphragm (b) Alveoli (c) Rings of cartilage (d) Ribs

Answers

Answered by sameerulhaq0

Answer:

rings of cartilage

Explanation:

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Answered by prachirathod2007

Answer:

(b) Alveoli

Explanation:

The tracheae, primary, secondary and tertiary bronchi and initial bronchioles are supported by incomplete cartilaginous rings, which prevents them from collapsing. Each terminal bronchiole gives rise to a number of very thin, irregular walled and vascularised bag-like structures called as alveoli.

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