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).
China: The Ming Dynasty. In this activity, you will investigate life in China during the rule of the Ming Dynasty. Students will interpret information about the geography, beliefs, and achievements of the Ming in China around 1500. Directions: As you proceed through this activity you will be finding out about the life of people that lived during the rule of the Ming dynasty in China. There are 3 main questions you will be trying to answer about the Ming: