A. buccal cavity, skin and lungs
B. buccal cavity, skin and spiracles
C. gills, skin and buccal cavity
D. tympanic membrane, lungs and gills
Correct Answer: Option A
A. buccal cavity, skin and lungs
A. buccal cavity, skin and lungs
B. buccal cavity, skin and spiracles
C. gills, skin and buccal cavity
D. tympanic membrane, lungs and gills
Correct Answer: Option A
A. buccal cavity, skin and lungs
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