Читать книгу The Art of Cupping - Hedwig Manz - Страница 18

The respiratory system facilitates breathing. By means of our respiratory organs, we inhale the oxygen in the air and exhale carbon dioxide and water vapor. Respiration leads to a step-by-step combustion of carbon and hydrogen, with the help of oxygen. This is a process that supplies energy and is essential for life.

We refer to the gas exchange between the pulmonary alveoli and capillaries of the lung on the one hand and the atmosphere on the other as external respiration. Tissue, or internal, breathing describes the process by which the blood conveys oxygen to the tissue and in its place takes in carbon that has accumulated there. The respiratory passages include the nasal cavity and the upper and middle section of the throat, the larynx, the trachea, the bronchial tubes, and the lungs.

To ensure the constant supply of blood to all parts of the organism, a separate transportation system is necessary.