Alexander: Exhalation triggers parasympathetic activation and slows heart rate
Aaron Alexander · How to Complete Overhaul Your Health in 2025 | Aaron Alexander · Jan 8, 2025 · at 7:03
Aaron Alexander outlines the physiological mechanisms behind breathing patterns and autonomic nervous system regulation.
“What's happening when you exhale, it's actually causing your diaphragm to raise up, and it's causing the blood vessels in and around your heart to get a little bit smaller, which causes your heart rate to slow down. It's called, ah, sinus respiratory arrhythmia is the fancy term for it, but it sends a signal into your blood vessels in your brain, Say, okay, let's slow things down a little bit. So actually, it's that parasympathetic side of the nervous system.”
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