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.
1 Audience Matters - When writing a newsletter, it is important to keep your audience in mind. This will impact the information that you choose to include. Make sure that your audience has some potential interest in the content of the newsletter.  Length - The newsletter should be concise.