What is the primary stimulus for breathing?
Understand the Problem
The question is asking for the main factor that triggers the act of breathing in humans, which typically relates to the levels of carbon dioxide and oxygen in the blood and the role of the brain in regulating this process.
Answer
an increased concentration of carbon dioxide
The final answer is an increased concentration of carbon dioxide.
Answer for screen readers
The final answer is an increased concentration of carbon dioxide.
More Information
An increase in carbon dioxide levels in the blood is typically the strongest and primary stimulus for breathing. The body responds by increasing respiratory rate and depth to expel CO2 and maintain homeostasis.
Sources
- The web page with info on - Merck Manuals - merckmanuals.com
- The most powerful respiratory stimulus for breathing in a healthy person - byjus.com
- Physiology, Respiratory Drive - StatPearls - ncbi.nlm.nih.gov
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