The lung is the main organ of the respiratory system and the place for gas exchange. The human body must constantly absorb oxygen from the outside and exhale carbon dioxide from the body. The process of gas exchange between the human body and the outside world is completed by the respiratory system. The whole process of breathing can only be completed with the cooperation of respiratory system and circulatory system, while aerobic respiration and anaerobic respiration are carried out inside cells.
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Ways to protect the lungs
1, keep warm to avoid catching a cold.
When the human body catches a cold, the blood vessels in the respiratory tract contract, the blood supply decreases, the local resistance decreases, and the virus is easy to invade. Many tracheitis and pneumonia are caused by the untimely or incomplete treatment of colds. Therefore, keeping warm in winter and avoiding colds are the key to prevent respiratory diseases.
According to the weather changes, increase or decrease clothes in time, pay attention to the thickness of bedding, and prevent colds; Ensure adequate sleep time, especially after a cold, pay more attention to rest, and seek medical advice in time for severe cough and fever; When the air is cloudy, such as windy and foggy days, try to go out as little as possible, even if you go out, wear a mask and take protective measures.
2. Adequate nutrition enhances physical fitness.
Adequate and reasonable dietary nutrition intake can enhance physical fitness and physical strength to enhance natural disease resistance. Diet should be based on light and digestible food, avoiding spicy and irritating food. Eat less and eat more, and mix meat and vegetables to improve the absorption rate of nutrition.
You can eat more foods that nourish yin and moisten the lungs, such as tremella, lily, lotus seeds, pears and honey. Eat more foods rich in vitamin A and carotene to prevent repeated respiratory infections, such as eggs, liver, fish, carrots and green leafy vegetables.
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