Why do rollercoasters/fast rides make people vomit?
In: Biology
Two main reasons:
Either they get motion sick, because the ride moves around a lot, or the centrifugal force (the outward force cause by spinning, which tends to spread things out against whatever prevents them from continuing outward) causes the matter in their stomachs to move back up through the oesophagus, and eventually the mouth.
Mostly the motion sickness thing though
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