Sometimes, when you go from a dark room to bright light, your nose suddenly decides it's time for a sneeze! It’s like your body has a secret switch that gets flipped by sunlight. That switch is called the trigeminal nerve, and it connects your eyes to your nose. When it gets excited by bright light, it tells your nose to sneeze!
Examples
- A child walking out of a dark room into the sunlight sneezes suddenly, like their nose was surprised by the bright light.
- Someone looking at a flashlight during a movie theater scene sneezes without warning.
- You open your eyes after being in a cave and immediately sneeze because the sudden brightness triggers your body's sneeze reflex.
Ask a question
See also
- How Do Birds Migrate So Far?
- What Causes Hiccups?
- How Can a Single Seed Grow into a Tree?
- Why Do People Have Different Shapes of Faces?
- Why Do We Blink?
Discussion
Recent activity
Categories: Biology · sneezing,photic sneeze reflex,nerve responses