Zuzuzuwap7324 Zuzuzuwap7324

15-11-2021
Biology

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why are gills typically external and lungs typically internal?

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fayizgaming01 fayizgaming01

15-11-2021

Answer:

Gills are external since they need to be in contact with water for O2 to diffuse efficiently. Lungs are internal to prevent them from drying out which affects gas exchange.

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