The stroke order of the lung is: left, horizontal hook, horizontal, horizontal, vertical, horizontal hook and vertical.
The lung is the respiratory organ of the human body, and it is also an important hematopoietic organ of the human body. It is located in the chest, one on the left and one on the right, covering the heart.
The lung has lobes, two on the left, three on the right and five on the * * *. The lung is connected with the throat and nose through the lung system, so the throat is called the portal of the lung and the nose is the outlet of the lung.
Inhale oxygen from the outside air, so that it can enter the blood in the lungs and then be transported to all parts of the body for use. On the other hand, the carbon dioxide in the lung blood permeates into the bubbles and then is excreted.
People's lungs are located in the chest cavity, * * * has five lobes, the right lung is wide and short with three lobes, and the left lung is narrow and long with two lobes. The left lobe is divided into upper lobe and lower lobe by oblique fissure, and the right lobe is divided into upper lobe, middle lobe and lower lobe by horizontal fissure, in which the right middle lobe is smaller than the other four lobes. There are organs such as heart, great blood vessels, trachea and esophagus between the two lungs. The lower part of the lung is separated from the abdominal organs by the diaphragm.
There is serosa outside the lung, which is smooth and moist. The lungs are soft and elastic, and they contain air and are spongy. The color of the lungs varies with age and occupation, and the lungs of newborns are reddish; Adults are dark gray with black spots due to continuous inhalation of smoke and deposition in the lungs; Older people are darker.
The lung is mainly composed of bronchi, bronchioles, alveolar ducts and alveoli. Located in the chest cavity, the left and right lungs are connected to the trachea by the left and right bronchi, and there is a thin pleura between the lungs and the muscle layer of the chest wall.
Interpretation of ancient books:
Guang Yun, Fang, Ji Yun and Yun Hui, Fang, Fang, and Yin? . Shuo Wen Jin Cang also. "Jade Piece" is full of lung words. "Zhengzitong" has six lobes and two ears, all of which have eight lobes, and the third vertebra is attached to the spine, which is matched with the middle of the scrotum and the inside and outside of the large intestine, and is a large cymbal in the yang, which is connected with autumn qi. "Su Wen" lung, according to legend, the official, how to treat the festival. "Rite Quli" is not in the new year, and the royal meal does not sacrifice the lungs. "Note" ceremony, eating and killing animals is the first sacrifice.
The Moon Order, the moon in summer, is a sacrifice to the lungs. Historical Records of Le Shu is about moving the lungs and harmony with justice. "Huainanzi Spiritual Training" refers to lung as qi. "Shi Ming" lung, Yeah. Talk about it? Yu ye. "Boya" lung, fee also.