Why Do Humans Vomit So Much? 🤮
In an effort to protect us from getting killed by something we’ve ingested, our brain’s vomit control center processes a lot of information from several different places … and sometimes is a little overly cautious.
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Show Notes
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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