Chapter 53 Smart Girl? Prove It, Willow
"When someone’s hyperventilating, they breathe out too much CO2. That throws off their body’s balance, causes the blood pH to spike, and boom—respiratory alkalosis. By covering his mouth and nose with a bag, he re-breathes the CO2 he just exhaled. That slows the loss, helps reset the pH, and gets things back to normal."
She turned to Willow. "Didn’t you ace every science class at Brightvale High? Weren’t you in the top ten of your year? And you don’t know something this basic?"
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