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Biology/breathing

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Expert: - 4/9/2006


Question
Why do we breathe?

Answer
 Do you mean the reason we breath or what makes us breath?
  Reason: Breathing is the mechanism by which we take in oxygen and expell carbon dioxide.
  Causative action: The diaphragm muscle contracts and expands changing the pressure in the chest and forcing air in and out.

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Walter Hintz

Expertise

Science teacher for over 50 years. MSc. in biology. I can answer questions in general biology, zoology, botany, anatomy and physiology and biochemistry.

Experience

I have a MSc in biology and have been a science teacher for over 50 years. At present I am a faculty member at a college and a science consultant at seven catholic schools.

Publications
The Ohio journal of Science
Momentum-The Journal of the Catholic Education Association

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