According to the doctor's network, the heart and brain are the most important organs of the human body: the heart is the center of the blood circulation system, which is responsible for transporting blood rich in oxygen and nutrients to various organs of the body, and at the same time sending blood containing carbon dioxide and metabolic waste back to the lungs and kidneys for discharge. The brain is the central nervous system of the human body, which is responsible for handling and controlling various physiological activities, such as thinking, perception, exercise and emotion. Therefore, protecting the health of the heart and brain is very important for human health.