The opposite can be true; i.e., people with large muscle mass sometimes have elevated CK levels in the absence of any pathology. This particular enzyme falls into a category where an individual's own normal is more relevant than the normal range given for a population.
1 If the demand increases, and the supply remains the same, there will be a shortage. 2  This will mean the price will increase. 3  If the demand decreases, and the supply remains the same, there will be a surplus. 4  This will mean the price will go down.
The law of demand states that consumers will buy more of a good when prices are lower and less of a good when prices are higher. In other words, the greater the quantity sold, the lower the price must be offered. The law of demand explains the effect price changes have on consumer behavior, and it applies in real life. Consumers buy significantly more products when there are large sales during the holiday season (e.g. Black Friday). On a supply/demand graph, price is the y-axis and quantity is the x-axis.