Question

Which one is the respiratory organ in a cockroach?
a)trachea b)moist skin c)lungs d)booklung​

Answer 1

Answer:

the answer is trachea

Explanation:

Respiration in cockroach

• The respiratory system of cockroach is a network of trachea known as tracheal system.
• They respire through the small openings called spiracles. These openings are regulated by the muscular spinchters.
• They breathe in oxygen rich air through the spiracles which opens into the tracheal tubes.

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Answer 2

Answer:

option a

Explanation:

trachea

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