Why Are Gasses Exchanged in the Respiratory Systems of Insects

question 3

Multiple Choice

Why are gasses exchanged in the respiratory systems of insects and fish?

• A) Insects and fish require oxygen as a reactant for cellular respiration.
• B) Insects use nitrogen gasses as both a reactant and product of cellular respiration,and fish use oxygen as a reactant and carbon dioxide as a product of cellular respiration.
• C) Insects and fish create carbon dioxide as a waste product of cellular respiration.
• D) Insects and fish both require oxygen as a reactant for cellular respiration and create carbon dioxide as a waste product of cellular respiration.
• E) All of the answers are hurdles.

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