In mathematics, a coefficient is a multiplicative factor in some term of a polynomial, a series or any expression; it is usually a number, but may be any expression. In the latter case, the variables appearing in the coefficients are often called parameters, and must be clearly distinguished from the other variables. For example, in.
Vasovagal syncope is a common cause of fainting. The vagus nerve is overstimulated and causes the body's blood vessels to dilate and the heart to slow down. This anti-adrenaline effect decreases the ability of the heart to pump blood upward to the brain against gravity. Without blood flow, the brain turns off.
Well, you can guess that there is a better medical term than passing out, and you'd be correct. A temporary loss of consciousness is referred to as syncope. And it happens when there is a sudden lapse of blood flow to the brain. Your brain doesn't get the blood it needs, and - WHAP! - you've fallen on the floor. Syncope can happen to anyone. A late 90s study showed that as many as 20% of people can experience syncope.