Mechanism and causes of vomiting

Vomiting is the condition of throwing out the food or beverages from the stomach through mouth, In some cases in occurs due to the disorder in the gastric system whereas in some case it occurs when we are traveling in a long run on buses. It has different reasons to occur it may be due to food poisons  pregnancy, over eating and many others. Among them there are some of the major factors affecting for the vomiting.
One of the cause for the the vomiting is smelling when we smell some thing unusual or foul smell, our brain immediately response to this due to which it sends the signal and the vomiting occurs. In terms of another factor our ear has a special type of fluid during our journey when the vehicles are at motion our body remains at rest that causes the disturbance in the inner ear fluid which is also responsible for balancing the whole body. Due to the disturbance in this type of fluid usually the person feels nausea and so vomiting occurs. This two are considered to be the most important factors for vomiting. However the exact reasons has not been found yet. After dealing with this causes now lets talk about the working mechanisms responsible for it.
Mainly for vomiting the fourth ventricle of brain is responsible or is considered as the vomiting site. Specially this region has chemoreceptors trigger zone(CTZ). DUE to the stimulation of this region it sends the message due to which whole body works accordingly. First the patience has a deep breath intake and outlet, There may occur some sweating also in some people, there is also increase in salivation to wash out or protect the teeth from the vomit acid. Though Dopamine, Histomine and Serotonin plays an active role in suppressing the vomiting. This is the reason that sometimes the vomits are suppressed. The out thrown vomit has a high concentration of acid. It also gives a foul smell. Antemetic can be used in order to treat on vomiting and nausea. It can be easily available on the market in the name of abomin, dopomin etc.
This are some of the causes of the vomiting and the working mechanisms of vomiting. Most of us have this problem.