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Question
For a person who has hyperventilated, why does breathing into a paper bag restore normal blood chemistry more rapidly than continued breathing into the atmosphere? Thanks for the help!

Answer
Dear Rachel,

This sounds like a homework question for a physiology class, so I'm not going to provide the answer directly. But I can direct you to an excellent web site that explains this clearly, from top to bottom.  Hint:  breathing into a paper bag increases the partial pressure of CO2 inhaled with each breath, and reduces the amount of O2.

Here's the site:

http://www.chemistry.wustl.edu/~edudev/LabTutorials/Buffer/Buffer.html

Hope that helps.

Dana

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Dana Krempels, Ph.D.

Expertise

I can answer biology-related questions in the areas of evolution, zoology, botany, genetics, and ecology. But I don't answer homework questions or provide ideas for your science fair projects. So students please do your learning the right way by reading your text assignments and studying!

Experience

At the University of Miami, I teach Evolution and Biodiversity, Botany, Zoology, Genetics, Ecology, and a variety of seminars (e.g., the Biology and Evolution of Human Gender Roles).

Education/Credentials
I have a B.S. in Biology and an A.B. in English from the University of Southern California (1980). I earned my Ph.D. in Biology in the area of evolutionary biology/visual physiology from the University of Miami in 1989.

Past/Present Clients
I am currently an "expert" in both the "Rabbits" and "Wild Animals" categories.

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