There is a phase when the early embryo consists only of simple epithelial layers. Later, the three primitive germ layers give rise to 4 primary tissues: 1. Epithelium  the cells are generally applied closely one to another with little cementing substance.
See also: Confucius and Gong (surname) Kong (å­, /ËkoÊÅ/) is a Chinese and Korean surname. It can also be written as Kung in Taiwan, Hung in Hong Kong, Khá»ng in Vietnam, and Gong in Korea. There are around 2.1 million people with this surname in China in 2002, representing 0.23% of the population.
Before Applying. Application for Declaration of Change of Nationality. Under the Nationality Law of the People's Republic of China (CNL), Hong Kong residents who are of Chinese descent and born in Chinese territories (including Hong Kong) are regarded as Chinese citizens.