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.
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: email@example.com
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