Blushing is suffering from brain commanded.
Our visual and auditory nerve, are concentrated in mind. When we see and hear things that make us shy eyes and ears immediately forward the message to the cerebral cortex, and cerebral cortex in addition to links to related sites, but at the same time to stimulate the adrenal glands, adrenal gland stimulation, made immediately corresponding reaction, secrete adrenaline. Epinephrine has a feature that secrete a small amount of time, can make blood vessels expand, especially in the face of the small blood vessels in the however, when a large number of secretion, anti-cause vasoconstriction.
When we feel embarrassed, when it is the cerebral cortex to stimulate the adrenal glands secrete a small amount of adrenaline when you face so hot red. Not only is the shy blush, happy and angry, will blush. Very angry at the time, not a single face is red, it is red while and blue burst, sometimes turned pale, this is the adrenal glands secrete a large number of waves in vasoconstriction, congestive alternately anemia or blood vessels in a longer time anemic sake.
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