The normal characteristics of smooth muscle: Smooth muscle is found in many different places in the human body: Unlike skeletal muscle, smooth muscle is generally not identifiable from gross observation of the body.
Demand can be classified as elastic, inelastic or unitary. An elastic demand is one in which the change in quantity demanded due to a change in price is large. An inelastic demand is one in which the change in quantity demanded due to a change in price is small. This is taken from a website at www.agmrc.org.
A product with an elasticity of 0 would be considered perfectly inelastic, because price changes have no impact on demand. Many household items or bare necessities have very low price elasticity of demand, because people need these items regardless of price.