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प्रश्न
Answer the following question.
What is the functional difference between the respiratory systems of cockroach and human being?
उत्तर
The functional difference between the respiratory systems of cockroach and human being is that in the respiratory system of cockroach transport of gases does not occur via. blood whereas in the human respiratory system transport of gases takes place via blood. In cockroach, the circulatory system has no role in the respiratory process whereas in humans, the circulatory system plays an important in the respiratory process.
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