the.com/vomit
the body's nuclear option, evolved to expel poison before poison expels you
control centerTriggered by a brain region called the vomiting center
two-way streetStomach muscles stay still; the diaphragm does the heaving
chemical alarmSmelling vomit can trigger your own, an ancient safeguard
acid bathStomach acid pH near 2 corrodes tooth enamel fast
shared wordMost animals can vomit, but rats and horses cannot