Your heart is one of the most important muscles in your body. Each day, your heart beats about 100,000 times and, over your life span, about 2.5 billion times! The fibrous pericardium encases, protects and secures the heart. Inside the pericardium is the heart wall, and this is organized into three main layers. The outermost layer of the heart wall is the epicardium, which is also the innermost layer of the pericardium.
Several different languages are spoken in Mexico, with a large majority of the population fluent in Spanish while some indigenous Mexicans are monolingual in indigenous languages.he slow process of replacing Mexico's indigenous languages with Spanish began with the arrival of Spanish forces and colonists in Mexico in the 16th century.
Mexican Spanish Pronunciation Guide 2005 David W. Bodwell, reproduced here with permission. Spanish is a nearly perfectly phonetic language, i.e., each letter is always pronounced exactly the same. This makes it a very easy language to learn to pronounce properly, if you learn the rules.Here is a guide to help you. This guide to Mexican Spanish pronunciation is based on common western U.S. (west of Ohio) and western Canadian English pronunciation: a as in father.exican Spanish Pronunciation Guide 2005 David W. Bodwell, reproduced here with permission. Spanish is a nearly perfectly phonetic language, i.e., each letter is always pronounced exactly the same. This makes it a very easy language to learn to pronounce properly, if you learn the rules.