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.
Many different conditions can cause fainting. These include heart problems such as irregular heart beats, seizures, low blood sugar (hypoglycemia), anemia (a deficiency in healthy oxygen carrying cells), and problems with how the nervous system (the body's system of nerves) regulates blood pressure.
Answer Wiki. Feeling light-headed or passing out is caused by a drop in blood pressure. Blood pressure is maintained primarily by the the blood vessels of the body, which contain muscle fibers allowing them to constrict. The body's ability to control which blood vessels constrict allows the body to direct blood flow.