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29 de jul. de 2020 · Learn about the respiratory system, its parts, and how it works. See an interactive model of the respiratory system and find out about common diseases and disorders that affect it.
31 de jul. de 2023 · Learn about the organs, tissues, and muscles that help you breathe and distribute oxygen throughout your body. See a diagram of the respiratory system and its two main components: the upper and lower respiratory tracts.
27 de may. de 2024 · Learn about the structure and function of the human respiratory system, which consists of the nose, pharynx, larynx, trachea, bronchi, and lungs. See diagrams, videos, and facts about the upper and lower airways, gas exchange, and respiratory diseases.
30 de oct. de 2023 · Learn about the respiratory system, which consists of several organs that oxygenate the body through breathing. See diagrams and descriptions of the upper and lower respiratory tract, and their functions and clinical aspects.
Learn about the structure and function of the lungs, the bronchial tree, and the gas exchange in the respiratory system. Watch videos and take quizzes to test your knowledge of the respiratory system.
Respiration begins at the nose or mouth, where oxygenated air is brought in before moving down the pharynx, larynx, and the trachea. The trachea branches into two bronchi, each leading into a lung. Each bronchus divides into smaller bronchi, and again into even smaller tubes called bronchioles.
Why does the respiratory system need the cardiovascular system to help it perform its main function of gas exchange? Place the following organs or structures of the respiratory system in order of when they are encountered by air entering the body — from earliest to latest.
