Homework Help: Biology

Posted by Leah on Tuesday, November 9, 2010 at 7:27pm.

a) How do CO2 and O2 levels in the blood regulate breathing movements?

b) Explain how these mechanisms are a good example of homeostasis.

Help me please :(

Biology - SraJMcGin, Tuesday, November 9, 2010 at 8:56pm
Try some of the links here:

http://search.yahoo.com/search?fr=mcafee&p=how+CO2+and+O2+rgulate+breathing+movements

Sra

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