Which Statement About Insect Respiration Is True

question 80

Multiple Choice

Which statement about insect respiration is true?

• A) Spiracles are the air tubes that carry the respiratory gases.
• B) Because O₂ diffuses more quickly in water than in air, the respiratory system of aquatic insects is highly efficient.
• C) Air capillaries are sparsely distributed throughout insects' flight muscles.
• D) Many larval insects have external lungs.
• E) The insect tracheal system brings air to all tissues in the body.

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