Sneeze

Sneeze

Covid sneeze etiquette

Brunette Sneeze

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.

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

Sneeze Resources
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