ANATOMICAL TRAVELOGUE / SCIENCE PHOTO LIBRARY ANATOMICAL TRAVELOGUE / SCIENCE PHOTO LIBRARY
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Visualisation of the human respiratory tract and heart. The thyroid cartilage resides above the trachea. The trachea branches above the heart into the two lungs. Several branching bronchi and bronchioles are shown penetrating throughout the lungs. The bronchiole tree conducts air, allowing oxygen to pass into the lungs and carbon dioxide to exit.
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