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Diving Reflex

The diving reflex is a natural response that occurs in mammals, including humans, when submerged in cold water. This reflex helps conserve oxygen and protect vital organs during underwater breath-holding. It triggers several physiological changes: the heart rate decreases, blood vessels constrict, and blood flow is redirected to essential organs like the brain and heart. This response enhances survival by prolonging the time a person can remain underwater without suffering from oxygen deprivation. The reflex is more pronounced in children and often seen in divers or swimmers when they immerse themselves in cold water.

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    The diving reflex is a natural response that occurs when a mammal's face comes into contact with water. It triggers a series of physiological changes: the heart rate slows down, blood vessels constrict, and blood is redirected to vital organs like the brain and heart. This reflex helps conserve oxygen and enables extended periods underwater, enhancing survival during diving. It is most pronounced in aquatic animals but also occurs in humans, particularly in response to cold water. This adaptation allows for improved efficiency and protection during submersion.