Best Answer: In order for air to enter the lungs 2 things must happen. 1. The diaphragm must contract. This increases the volume ofthe thoracic cavity. 2. The intercostal muscles (rib muscles) will pull he ribs up and outward also increasing the cavity's volume. Bothe of these will decrease the pressure inside the cavity and air will rush in from the outside.
The Ming dynasty (1368â1644), founded by the peasant rebel leader Zhu Yuanzhang (known posthumously as Emperor Taizu), was an imperial dynasty of China. It was the successor to the Yuan dynasty and the predecessor of the short-lived Shun dynasty, which was in turn succeeded by the Qing dynasty. Scholars have traditionally divided Ming history into three distinct periods: Early (1368â1436), Middle (1436â1573), and Late (1573â1644).
Like most Chinese dynasties, the Qing Dynasty had powerful and long-lived rulers at the beginning of the dynastic era, a period of prosperity in the beginning and middle of their dynastic era, and natural disasters, rebellions, invasions and inept ruling courts at the end.ontinued Conquests of the Qing. It took about another 20 years for the Manchus to defeat the rest of the Ming forces who had strongholds in the south and on Formosa. In the southwest, a Ming dynasty clan member lived in unconquered territory in 1652.