MinuteEarth

Why Do Humans Vomit So Much? 🤮

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To learn more about this topic, start your googling with these keywords:

  • Emesis: The act of vomiting
  • Vomiting: The oral eviction of gastrointestinal contents due to contractions in the gut and stomach.
  • Nausea: A diffuse sensation of uneasiness and discomfort often felt as the need to vomit.
  • Vomiting Center: An area in the brain’s medulla oblongata that initiates and controls emesis.
  • Chemoreceptor Trigger Zone: An area in the area postrema of the medulla oblongata that is sensitive to certain toxic chemicals in the blood.
  • Nucleus Tractus Solitarius: A region in the medulla oblongata that receives input from the cardiovascular, respiratory and GI systems.
  • Vagus Nerve: A cranial nerve that regulates internal organ functions, including vomiting.
  • Vestibular System: A Sensory system that provides our brain with information about motion, head position, and spatial positioning for balance.

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