When holding our breath for a long time, we get the urge to breathe because of ___________.
A. a decrease in N2
B. a decrease in O2
C. an increase in CO2
D. an increase in pH
Answer: C
When holding our breath for a long time, we get the urge to breathe because of ___________.
A. a decrease in N2
B. a decrease in O2
C. an increase in CO2
D. an increase in pH
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.