Biology for IGCSE & O level - Gas Exchange In Humans (Section 2 - No. 2)
What is the role of the brain in regulating breathing rate?
The brain does not play a role in breathing.
The brain directly controls the lungs.
The brain receives information about blood gases and adjusts breathing rate accordingly.
The brain initiates the movement of muscles to the lungs.
Explanation
The brain monitors blood gas levels and adjusts breathing as needed.
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