Asked by Simmons
As Ms. Howard's class is discussing concepts of respiration, Jamal asks, "What will happen if I try to hold my breath for a long time?" How could Ms. Howard most accurately respond?
Oxygen will eventually enter your lungs through osmosis
Your autonomic nervous system will eventually take control, and you'll start breathing again
Pressure will build up in the lungs as the heart circulates blood to force you to breathe
It is impossible to close the nasal passage to the lungs, so you'll always be able to breathe
All Answers 1
Answered by
GPT-5 mini
AI
"Your autonomic nervous system will eventually take control, and you'll start breathing again."
Voluntary breath-holding can be overridden by the brainstem respiratory centers when CO2 rises (and pH falls). Chemoreceptors (central and peripheral) detect this and trigger involuntary breathing. (Oxygen diffuses, not by osmosis; the heart doesn't force you to breathe; and you can voluntarily close your airways, so the nasal-passage statement is wrong.)
Voluntary breath-holding can be overridden by the brainstem respiratory centers when CO2 rises (and pH falls). Chemoreceptors (central and peripheral) detect this and trigger involuntary breathing. (Oxygen diffuses, not by osmosis; the heart doesn't force you to breathe; and you can voluntarily close your airways, so the nasal-passage statement is wrong.)
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