Hiccups are caused by not having enough air. Scaring some one causes them to take a deep breath getting more air and stopping the hiccups. Not 100% sure that's right though.
The mandibular nerve (V3) exits the cranium through the foramen ovale (Figures 2.2 and 2.3). On its extracranial course, it divides into three main branches: the buccal, mental, and auriculotemporal nerves.
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Personally I would help them because I want people to know me as the nice guy.
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