潜せん水すい反はん射しゃ

noun

diving reflex

Physiological term for the mammalian diving reflex: a set of automatic responses (bradycardia, peripheral vasoconstriction, etc.) triggered by breath-holding and cold water on the face.

• 潜せん水すい反はん射しゃは、顔かおが冷つめたい水みずに触ふれると心しん拍ぱく数すうが下さがる反はん応のうです。

  The diving reflex is a response where the heart rate drops when the face touches cold water.