Cells use oxygen to assist in cellular respiration. This type of respiration, called aerobic cellular respiration, converts stored energy into a usable form. The first stage of aerobic cellular respiration, glycolysis, can be performed without oxygen.
A persuasive speech is a specific type of speech in which the speaker has a goal of convincing the audience to accept his or her point of view. The speech is arranged in such a way as to hopefully cause the audience to accept all or part of the expressed view.
The Sales Pitch. An example of a persuasive speech is a sales pitch. During a sales pitch, the speaker is trying to convince the audience to buy his or her product or service. If the salesperson is successful, the audience (the person being sold to) will choose to purchase the product or service.