An increase to 0.5% carbon dioxide in the air (from the normal 0.03%) makes us breathe 10 times faster.Which of the following would limit how long you can hold your breath?
A) Lack of carbon dioxide raises the pH
B) Lack of oxygen raises the pH
C) Buildup of carbon dioxide lowers the pH
D) Build up of oxygen lowers the pH
E) Build up of nitrogen raises the pH
Correct Answer:
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