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.
There are also many non-indigenous languages spoken in Mexico, the most important being English-spoken by English-speaking immigrants, many residents on the northern border states of Mexico and many people who use it on a daily basis for business and tourism activities.anama and Mexico are two different countries. Spanish is the official language of both countries, but many other languages are spoken. Here are the 14 languages of Panama: â¦ 1. Buglere 2. Chinese, Hakka 3. Chinese, Yue 4. Embera, EmberÃ¡ northern. 5-Embera emberÃ¡. Catio catÃ­o. 6 epena 7