The ____ are air-filled respiratory system structures common in insects.
A) gills
B) tracheal tubes
C) lungs
D) integumentary surfaces
E) air sacs
Correct Answer:
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Q13: The _ are respiratory structures composed of
Q14: Diffusion of respiratory gases is enhanced by
Q15: The process of _ is the exchange
Q16: Countercurrent exchange allows for the removal of
Q17: Planes maintain an atmospheric pressure equivalent to
Q19: The _ represent an internal respiratory system.
A)
Q20: Air is the least optimal respiratory medium
Q21: Air becomes deoxygenated during the _ of
Q22: The _ is/are responsible for closing off
Q23: A _ uses air sacs to ventilate
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