Which structure of man is similar to the spiracle of cockroach?

Nostril

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Bronchiole

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Lungs

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Alveoli

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Solution

The correct option is C Nostril
Spiracles are the small external openings present on the body of insects (cockroach) which acts as a passage to the entry of air into the respiratory system. Nostrils are the external openings present on the body of human beings which provide an entry to the air in the respiratory system. So, the correct answer is option C.

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Which part of the human body has similar functions as the spiracles of a cockroach?

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