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Diving reflex in a human baby. The diving reflex, also known as the diving response and mammalian diving reflex, is a set of physiological responses to immersion that overrides the basic homeostatic reflexes, and is found in all air-breathing vertebrates studied to date.
The diving reflex is more pronounced in aquatic mammals and is thought to have originated as a way to conserve oxygen and enhance the ability to stay underwater for longer periods. Key components of the diving reflex include: Bradycardia: The heart rate decreases significantly when the face is exposed to cold water. This helps to conserve ...
The diving reflex is a response to immersion that overrides the basic homeostatic reflexes, and which is found in all air-breathing vertebrates. [ 6 ] [ 7 ] It optimizes respiration by preferentially distributing oxygen stores to the heart and brain which allows staying underwater for extended periods of time.
During the diving reflex, the infant's heart rate decreases by an average of 20%. [1] The glottis is spontaneously sealed off and the water entering the upper respiratory tract is diverted down the esophagus into the stomach. [6] The diving response has been shown to have an oxygen-conserving effect
Buffalo Bills quarterback Josh Allen (17) motions for a first down during the first quarter of an NFL wild card playoff football game against the Denver Broncos, Sunday, Jan. 12, 2025, in Orchard ...
Diving reflex; Enterogastric reflex; Galant reflex — a primitive reflex in infants up to four months of age, a rotation of the upper body towards one or other side of the back when that side is stroked. Glabellar reflex; Golgi tendon reflex
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1994 Patrick flying off the high dive in Lexington, Kentucky. 1991 Patrick with his father, Jim, on their front porch. 1987 Patrick’s mother, Anne, holding him.