Process and Purpose of the Sneeze Reflex

The video explains sneezing as a reflex action to expel irritants from the nasal passages. It compares sneezing to a computer reboot, resetting the nasal environment. Various factors like allergens, infections, and bright light can trigger sneezing. The photic sneeze reflex is highlighted, where bright light causes sneezing. The physical process involves chest muscles compressing the lungs, forcing air out at high speed. Sneezes can spread germs over a distance. Common myths, such as the heart stopping during a sneeze, are debunked, and the natural slowing of heart rate is explained.

How far can the mucus from a sneeze travel?

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What happens to the heart rate during a sneeze?

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