Digestion begins in the mouth, where chemical and mechanical digestion occurs. Saliva or spit, produced by the salivary glands (located under the tongue and near the lower jaw), is released into the mouth. Saliva begins to break down the food, moistening it and making it easier to swallow.
By Elizabeth Schofield Submitted On December 23, 2012. The purpose of a newsletter is to provide information pertaining to a product or service to a targeted audience. Newsletters, done effectively, can also create a company's credibility and build an organization's identity.
Developing an Idea for Your Newsletter. 1  1. Define the goal of your newsletter. Before you get to work printing and stapling, you should start by having a clear idea in mind of the purpose of your newsletter. 2  2. Determine what type of content you want to produce. Despite what their name suggests, not all newsletters are used to convey news.