The body organs are stomach, liver, kidneys, lungs, bladder, heart and eyes. 1. Stomach: After the human body ingests food, the stomach receives the food, after which the cells within the stomach wall will secrete the right amount of digestive juices to neutralize the food, mainly pepsinogen, hydrochloric acid, and endogenous factors, etc., which have the functions and roles of receiving, storing, secreting, digesting, transporting, and emptying. 2. Liver: It has the function of decomposition and metabolism, and also secretes bile to help digestion and absorption; it produces coagulation factors; if there are toxins in the body, they can be detoxified through the liver; it also has the function of immunity. 3. Kidneys: generate urine, excrete metabolic products, maintain fluid balance and stability of the internal environment, regulate blood pressure and stimulate bone marrow hematopoiesis. 4. Lungs: by breathing oxygen in the air, entering the venous blood through gas-blood exchange, and discharging the carbon dioxide in the venous blood. 5. Bladder: an important organ of the urinary system, its main role and function is to store urine. 6. Heart: the main function is to pump blood, the heart outputs blood through contraction and diastolic movement, so that the blood circulates in the whole body to maintain life activities. 7. Eye: an important sense organ of the human body, it can receive external light stimulation, the light impulse into the brain center, causing visual response, the function of the eye are visual function, transmission function, perception function, the main role is to obtain external information. The human body has a variety of organs, not only the above mentioned, no matter which organ is abnormal, we should go to the hospital in time to prevent the disease from developing, affecting the normal physiological function or leading to irreversible consequences.