AA is generally the abbreviation for Associate of Arts degree. This is the degree given by many two-year colleges, often called Community Colleges (which used to be called Junior Colleges). Some also award the AS-- Associate in Science degree. Typically, an Associate's degree is the equivalent of a year, or in some cases a year and a half, of courses at a four-year college, and there are many students who transfer their Associate's degree credits so that they can complete a four-year degree.
Although it may seem difficult, lowering your breathing speed will help to lower your heart rate. Take a breath for 5-8 seconds, hold it for 3-5 seconds, and then exhale slowly for a count of 5-8 seconds.
A pulse rate that is too low can be dangerous. Photo Credit Jupiterimages/Photos.com/Getty Images. Keeping track of your blood pressure and pulse lets you know how hard your heart is working and what your risk for heart disease is. A normal pulse rate at rest is between 60 and 100 beats per minute. Generally, a lower pulse rate means that your heart muscle is not having to beat too hard to do its job.