Blushing means "being rosy red." The term is commonly used on a person when his or her cheeks turn dark pink or reddish because of embarrassment, coyness or modesty. The visible sign of blushing is normally seen on a person's face. It is caused by the sympathetic nervous system working on an overdrive. The sympathetic nervous system regulates the fight or flight response in our body. It regulates the glands without deliberate effort and controls the diameter of blood vessels to the face.
In some people, these nerves are highly sensitive to stress caused by emotions. In a seemingly embarrassing or uncomfortable situation or frame of mind, the nerves cause the blood vessels on the face to open wide, flustering the facial skin with red and causing rosy looking cheeks.
In some people, these nerves are highly sensitive to stress caused by emotions. In a seemingly embarrassing or uncomfortable situation or frame of mind, the nerves cause the blood vessels on the face to open wide, flustering the facial skin with red and causing rosy looking cheeks.