Question: what is the relationship between co2 and blood ph quizlet?
Answer: As blood CO2 Increases, cerebrospinal fluid pH decreases, triggering an increased stimulation of the respiratory centers by the central chemoreceptors. True. Why: CO2 from the blood crosses the blood-brain barrier, combines with water to form carbonic acid which then dissociates into HCO3- and H+, lowering pH.