It was during the Han dynasty (206 BCE-220 CE) when Confucianism became the prevalent political ideology, thus Han dynasty reflect confucian values in its core structure and social order.
Confucianism was part of the Chinese social fabric and way of life; to Confucians, everyday life was the arena of religion, thus there was no separation between state, culture and religion.
Confucianism became a partner with the autocratic Legalist state structures, thus the nature of the leaders and government was profoundly affected by Confucian values, which revolves almost entirely around issues related to the family, morals, and the role of the good ruler.
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Breathing begins with inhalation when the contraction of the diaphragm flattens on contraction, pulling the lungs down. The contraction of these muscles increases the volume of the lungs. This reduces the air pressure in the lung to below that of the external air. This pressure difference forces air to move into the lungs where gas exchange occurs. The relaxation of the diaphragm and intercostals reduces the volume of the lungs, which then increases the air pressure inside the lung to that above the external air. This forces air out of the lungs. The cycle goes on and on. Hope this helped!