Topics: Respiratory System Quiz
In which organ is oxygen absorbed into the blood in fishes?
A. Gills
B. Mouth
C. Nose
D. Stomata
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What is the function of the ribcage?
A. It protects the lungs.
B. It helps the lungs pump oxygen.
C. It delivers oxygen from the lungs to the bloodstream.
D. It connects the trachea to the lungs.