Your gut synthesizes a host of small molecules which can directly signal the brain. One of these, called ghrelin, is synthesized primarily in the stomach, and is produced when the stomach is empty. Ghrelin released into the blood ultimately finds its way into the brain, and crosses the blood-brain barrier to reach a part of the brain called the hypothalamus. Now, the hypothalamus has two interesting types of cells.
History >> Ancient China. The Shang Dynasty was the first Chinese dynasty with written records. The Shang ruled from around 1600 BC to 1046 BC. Some historians consider the Shang to be the first Chinese Dynasty. Other historians consider it to be the second dynasty, coming after the legendary Xia Dynasty. History.
Shang dynasty: Shang dynasty, the first recorded Chinese dynasty for which there is both documentary and archaeological evidence. The Shang dynasty was the reputed successor to the quasi-legendary first dynasty, the Xia (c. 2070âc. 1600 bce). The dates given for the founding of the Shang dynasty vary from about