Question on: JAMB Biology - 2016
The sequence of the one-way gaseous exchange mechanism in a fish is
A
gills ⇢ operculum ⇢ mouth
B
mouth ⇢ gills ⇢ operculum
C
mouth ⇢ operculum ⇢ gills
D
operculum ⇢ mouth ⇢ gills
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Correct Option: B
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