Science, asked by sarmistha82, 1 month ago

ANSWER THE ABOVE QUESTION PLEASE

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Answered by kissankumarprusty

0

Answer:

ok achhi kichhu datlrio

Answered by AAnand2000

0

Answer:

C is the correct option

(A) the Trachea is supported by an incomplete cartilaginous ring. These incomplete cartilaginous ring prevents the respiratory tract from collapsing.

(B) When we exhale our ribs move inward.

(C) Alveoli is thin walled balloon like structure which help in gaseous exchange.

(D) When we inhale, the Diaphragm contracts and move downward.

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