![]() All these stimuli are capable of stimulating the vomit centers located in the brain. Vomiting can also be triggered by stimuli such as offensive smells, chemicals, gory visuals, and abnormalities in the blood. Vomiting is characterized by a reverse peristalsis of the stomach contents due to strong contractions of the muscles in the stomach and the intestine.Īs a result, the contents of the stomach are pushed up into the throat and expelled through the mouth. Unlike cough, however, the vomiting reflex is initiated in response to an irritation in the digestive tract. Like the cough, vomiting is also an involuntary reflex action of the body that attempts to remove an irritant. However, voluntary coughs are not as deep or forceful as involuntary coughs. It is also possible to cough voluntarily. In such cases, a series of coughs occur till the irritation in the respiratory tract subsides. However, a single cough may not be successful in expelling the irritant substance. ![]() The irritant can get dislodged and expelled from the respiratory tract due to the high pressure of the coughed out air. response to this stimulation, the cough reflex initiates intake of a deep breath that is followed by a forceful expulsion of air from the lungs. Effective mucus clearance is essential for respiratory health. ![]() Can chicken soup cure a cold? /diseases-conditions/common-cold/in-depth/health-tip/art-20048631 diseases-conditions/common-cold/in-depth/cold-remedies/art-20046403 Cold remedies: What works, what doesn't, what can't hurt. diseases-conditions/bronchitis/diagnosis-treatment/drc-20355572 cff.org/Life-With-CF/Treatments-and-Therapies/Medications/Mucus-Thinners/ lung-health-and-diseases/warning-signs-of-lung-disease/ You can learn more about how we ensure our content is accurate and current by reading our editorial policy. Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. Quitting smoking is helpful, especially with chronic lung disease such as asthma or COPD. These can irritate mucous membranes, signaling the body to produce more mucus.
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