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    https://en.wikipedia.org › wiki › Lung

    Lung - Wikipedia

    • Inflammatory conditions of the lung tissue are pneumonia, of the respiratory tract are bronchitis and bronchiolitis, and of the pleurae surrounding the lungs pleurisy. Inflammation is usually caused by infections due to bacteria or viruses. When the lung tissue is inflamed due to other causes it is called pneumonitis. 展开

    Overview

    The lungs are the primary organs of the respiratory system in many animals, including humans. In mammals and most other tetrapods, two lungs are located near the backbone on either side of the heart. Their function in … 展开

    Structure

    In humans the lungs are located in the chest on either side of the heart in the rib cage. They are conical in shape with a narrow rounded apex at the top, and a broad concave base that rests on the convex surface of the … 展开

    Development

    The development of the human lungs arise from the laryngotracheal groove and develop to maturity over several weeks in the foetus and for several years following birth.
    The larynx, trachea, bronchi and lungs that make up the res… 展开

    Can you have pneumonia and not know it?
    You can also have pneumonia and not know it. This is sometimes called walking pneumonia. Causes include bacteria, viruses, and fungi. If your pneumonia results from bacteria or a virus, you can spread it to someone else. Pneumonia can be grouped into types based on what caused it. Many things can lead to pneumonia, but some of the most common are:
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