Question

(10) Part which prevents the backward
18. Observe the diagram showing respiratory system of a man and answer the qe
(1) Label the diagram.
(i) Which organ is called the voice box?
(i) What is Adam's apple'?
9
(iu) How is the entry of dust and bacteria prevented during respiration?
(u) What prevents trachea from collapsing?
1
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Answer 1

Answer:

2,Voicebox:Larynx

3,Adam's apple:A projection at the front of neck formed by cartilage..bone..in adolescent boys

4,Entry of bacteria and dust particles is prevented by mucous layer in the nostrils.

5,During Inspiration , Diaphragm moves upawards expanding it's concave side with dome shape

Explanation:

2,Voicebox:Larynx

3,Adam's apple:A projection at the front of neck formed by cartilage..bone..in adolescent boys

4,Entry of bacteria and dust particles is prevented by mucous layer in the nostrils.

5,During Inspiration , Diaphragm moves upawards expanding it's concave side with dome shape

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