The respiratory system saturates our body with oxygen and removes carbon dioxide, cleans the air from impurities, pathogenic microflora. This system is the first to guard the protection of the internal environment from microbes and foreign bodies.

Cell respiration occurs through the cardiovascular system, which in turn depends on the work of the system of digestion and food movement.

Thus, the respiratory system will be in excellent condition, subject to sufficient nutrition and maintenance of all previous systems. Violation of the lungs, bronchi, alvioli occurs from the weakness of the immune system.