A.
CO2 excites breathe by stimulating central and peripheral chemoreceptors
B.
CO2 anesthesia occurs when the amount of inhaled CO2 is too high
C.
It is the most important physiological factor in regulating respiration
D.
Stimulating peripheral chemoreceptors is more effective than central chemoreceptors
E.
Within a certain range, the amount of inhaled CO2 is positively correlated with pulmonary ventilation