Diving reflex myth
From
DD'eDeN aka note/nickname/alas_my_l@21:1/5 to
All on Sat Feb 5 18:46:36 2022
Primarily, however, the ability to survive while submerged for a prolonged time is a learned skill. According to Bain, studies suggest that elite free divers have “enhanced” their Mammalian Dive Response. Theorised to be an evolutionary adaptation –
a vestige from billions of years ago when all life was aquatic – it’s a reflex that’s triggered when a mammal’s face comes into contact with water. It prompts a number of physiological responses that promote survival, such as the slowing of the
heart rate and metabolism, and a redirection of blood to vital organs, including to the lungs to bolster them against pressure.
When a mammal's face comes into contact with warm water, no reflex; when in contact with cold air blown, reflex.
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