3 ms·
Weirdly, this is controlled by the brain as part of the sympathetic nervous system: https://my.clevelandclinic.org/health/body/23262-sympathetic-nervous-system-
by MPSimmons 1mo ago
Weirdly, this is controlled by the brain as part of the sympathetic nervous system: https://my.clevelandclinic.org/health/body/23262-sympathetic-nervous-system-sns-fight-or-flight https://my.clevelandclinic.org/health/body/23262-sympathetic...