respiration

Asked by  | 20th May, 2009, 09:30: PM

Expert Answer:

Oxygen concentration in the air is over an order of magnitude higher than that of water-dissolved oxygen. This means that with every breath, aquatic animals are unable to inhale as much oxygen as do air-breathing animals. So to take in more oxygen, they need to breathe faster.

 

 

Answered by  | 21st May, 2009, 07:02: PM

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