Breathing

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Hi:

LIke I said yesterday to someone else, the same way we do: carbon
dioxide (the gas you breath out) builds up in their system and triggers
a response to make them surface to breathe.

Phil

Tasha Korsunsky wrote:
>
> Dear Mr.Clapham!
> Thankyou so much for righting back, you really helped me a lot.
> I have another question, if you don't mind, that is.
>
> How do common dolphins know when it's time to come up for air?
>
> Thankyou again for your time,
> Tasha Korsunsky
> Grade 6
> Age 11
> Thayer Academy Middle school
> Thanks again

-- 
Phillip J. Clapham, Ph.D.
Large Whale Biology Program
Northeast Fisheries Science Center
166 Water Street
Woods Hole, MA 02543
tel (508) 495-2316
fax (508) 495-2066
Internet: phillip.clapham@noaa.gov

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