Atherosclerosis is a disease in which plaque builds up inside your arteries. Arteries are blood vessels that carry oxygen-rich blood to your heart and other parts of your body. Plaque is made up of fat, cholesterol, calcium, and other substances found in the blood. Over time, plaque hardens and narrows your arteries. This limits the flow of oxygen-rich blood to your organs and other parts of your body.
Here's a listing of the ten most popular languages spoken worldwide, along with the approximate number of primary or first language speakers for that language. 1. Mandarin Chinese - 882 million. 2. Spanish - 325 million. 3. English - 312-380 million. 4. Arabic - 206-422 million.
Mandarin or Putonghua is the most common dialect used in China and has been adopted as a second language by those who speak other Chinese dialects. The official language of China, Mandarin is the dialect taught in Chinese schools.eferences: Written Language. The Chinese language is the oldest written language in the world with at least six thousand years of history. Chinese character inscriptions have been found in turtle shells dating back to the Shang dynasty 1 (1766-1123 BC) proving the written language has existed for more than 3,000 years.