Your Brain Sneezes
It happens to everyone: some stimulus triggers the trigeminal nerve bundle, which in turn signals the sneeze center of the lateral medulla of the brain stem. The nervous functions of the brain stem are the most basic and powerful in the body so once the sneeze center has been stimulated, the rest of the sneeze reflex is unavoidable. Instructions are sent from the brain stem to the lungs to suck in air. The glotis – the opening at the top…