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  2. Cold shock response - Wikipedia

    en.wikipedia.org/wiki/Cold_shock_response

    The first stage of cold water immersion syndrome, the cold shock response, includes a group of reflexes lasting under 5 min in laboratory volunteers and initiated by thermoreceptors sensing rapid skin cooling. Water has a thermal conductivity 25 times and a volume-specific heat capacity over 3000 times that of air; subsequently, surface cooling ...

  3. Diving reflex - Wikipedia

    en.wikipedia.org/wiki/Diving_reflex

    Bradycardia is the response to facial contact with cold water: the human heart rate slows down ten to twenty-five percent. [8] Seals experience changes that are even more dramatic, going from about 125 beats per minute to as low as 10 on an extended dive.

  4. Caloric reflex test - Wikipedia

    en.wikipedia.org/wiki/Caloric_reflex_test

    In medicine, the caloric reflex test (sometimes termed ' vestibular caloric stimulation ') is a test of the vestibulo-ocular reflex that involves irrigating cold or warm water or air into the external auditory canal. This method was developed by Robert Bárány, who won a Nobel prize in 1914 for this discovery.

  5. Are cold plunges and saunas safe for kids? What parents need ...

    www.aol.com/finance/cold-plunges-saunas-safe...

    Another consequence of kids’ smaller size: They cool more rapidly in cold temperatures, especially in water below 50 degrees Fahrenheit. “The risks are much higher than adults who have double ...

  6. List of reflexes - Wikipedia

    en.wikipedia.org/wiki/List_of_reflexes

    Palmar grasp reflex — in infants up to six months of age, a closing of the hand in response to an object being placed in it. Periroral reflex: when a finger is placed at the angle of the mouth and struck, or the nasolabial fold is stroked, mouth closure is induced via CN VII [1] Pharyngeal reflex — also known as the gag reflex.

  7. Human physiology of underwater diving - Wikipedia

    en.wikipedia.org/wiki/Human_physiology_of...

    Cold shock response is the physiological response of organisms to sudden cold, especially cold water, and is a common cause of death from immersion in very cold water, [5] such as by falling through thin ice. The immediate shock of the cold causes involuntary inhalation, which if underwater can result in drowning.

  8. Infant swimming - Wikipedia

    en.wikipedia.org/wiki/Infant_swimming

    Of all the age groups, children aged 0–4 years had the highest death rate and also non-fatal injury rate. In 2013, among children 1 to 4 years old who died from an unintentional injury, almost 30% died from drowning. [8] These children most commonly drowned in swimming pools, often at their own homes. [9] [10]

  9. Hunting reaction - Wikipedia

    en.wikipedia.org/wiki/Hunting_reaction

    The hunting reaction is one out of four possible responses to immersion of the finger in cold water. The other responses observed in the fingers after immersion in cold water are a continuous state of vasoconstriction, slow steady and continuous rewarming and a proportional control form in which the blood vessel diameter remains constant after ...