Editing Sneeze

[[File:Mannetje dat zit te niezen, Bestanddeelnr 909-0014.jpg|Sneeze|thumb]]

[[File:Covid sneeze etiquette 05.svg|Covid sneeze etiquette|thumb]]

[[File:BrunetteSneeze.jpg|Brunette Sneeze|thumb]]
== Sneezing ==

A '''sneeze''' represents a sudden, forceful, and involuntary expulsion of air from the nasal passages, often triggered by irritants. It serves as a natural protective reflex aimed at clearing the nasal passage of allergens, irritants, or other foreign particles.

=== Physiology of a Sneeze ===

Sneezing is primarily a reaction occurring within the nose, resulting from the inhalation of irritants such as dust or pollen. This process involves a forceful ejection of both air and mucus, a viscous fluid found within the nasal cavity. As the air is expelled, the pressure within the [[sinus cavity]] (the chamber connected to the nostrils) increases significantly. A notable feature of sneezing is the reflexive closure of the eyes, which safeguards the eyes from potential pressure build-up and any mucus that might be propelled outward.

=== Cultural Responses to Sneezing ===

Across various cultures, it's customary to respond with a wish or blessing when someone sneezes:
* "'''Bless you!'''": A universal phrase extended to a person who sneezes.
* "'''Gesundheit!'''": Commonly used in the United States, this German term translates to "Good health."

An intriguing tale suggests that the practice of bestowing blessings post-sneeze originated with [[Pope Gregory VII]] (540–604 AD). According to lore, he advocated that blessings might shield individuals from contracting the deadly bubonic plague, which was rampant in Rome during his era.

=== Speed of a Sneeze ===

The expulsion of air during a sneeze can reach astonishing speeds, approximately 150 kilometers per hour or even faster. It emphasizes the reflex's powerful nature and the body's determination to remove irritants from the nasal passages.<ref>{{Citation needed}}</ref>

=== Myths Associated with Sneezing ===

There exists a popular myth suggesting that upon sneezing, the heart and all internal organs momentarily cease functioning. This is, however, a misconception and does not have a basis in medical science.

== See Also ==
* [[Reflexes]]
* [[Nasal cavity]]
* [[Pope Gregory VII]]
* [[Bubonic plague]]
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[[Category:Sneeze| ]]
[[Category:Reflexes]]
[[Category:Physiology]]
[[Category:Symptoms and signs: Respiratory system]]
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