A sneeze (also known as sternutation) is a semi-autonomous, convulsive expulsion of air from the lungs through the nose and mouth, usually caused by foreign particles irritating the nasal mucosa. A sneeze expels air forcibly from the mouth and nose in an explosive, spasmodic involuntary action.
When this happens, your body does what it needs to do to clear the nose — it causes a sneeze. A sneeze is one of your body’s first defenses against invading bacteria and bugs.
People sneeze if the brain senses an intruder, like an allergen or pollutant, in the nasal passages. Bright light and even large meals can trigger sneezing.
A sneeze is a sudden, forceful, uncontrolled burst of air through the nose and mouth.
First, a sneeze starts in your nerves. When the lining of your nose gets irritated—from a cold, pollen, dust, smoke, pepper, etc.—your body goes into reaction mode. Your “sneeze center,” located in the lower brain stem, is triggered. It sends out a signal to tightly close your throat, eyes and mouth.
When you feel a sneeze coming on, there’s not much you can do to stop it—especially if you’re suffering from a cold or seasonal allergies. And you can’t control how loud you sneeze, try as you might.
There's nothing more frustrating than not being able to sneeze when you feel like you have to let one out. While a big sneeze can be jarring and a little messy, it's completely normal bodily function.
Add Yahoo as a preferred source to see more of our stories on Google. There's nothing more frustrating than not being able to sneeze when you feel like you have to let one out. While a big sneeze can ...