what is an enzyme and how are enzymes important to life?

enzymes are organic chemicals that are critical to the survival of life as we know it. the job of an enzyme is to speed up chemical reactions and at the same time lower the amount of energy tha tis needed to perform the reaction. this is why you are not burning up where you sit. without enzymes it would take so long to digest food that you would die of starvation before your body could get the nutrients. enzymes are very important for life.