What Triggers the Brain to Increase Contraction Signals to the Ventilation

question 16

Multiple Choice

What triggers the brain to increase contraction signals to the ventilation muscles?

• A) High blood pH is sensed by the brain.
• B) Low blood pH is sensed by the brain.
• C) High carbon dioxide levels are measured by the brain.
• D) Low carbon dioxide levels are measured by the brain.
• E) The brain does not have the ability to directly detect changes in the blood.

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