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  2. Lung - Wikipedia

    en.wikipedia.org/wiki/Lung

    The lungs stretch from close to the backbone in the rib cage to the front of the chest and downwards from the lower part of the trachea to the diaphragm. [1] The left lung shares space with the heart, and has an indentation in its border called the cardiac notch of the left lung to accommodate this.

  3. Respiratory tract - Wikipedia

    en.wikipedia.org/wiki/Respiratory_tract

    The lungs are the largest organs in the lower respiratory tract. The lungs are suspended within the pleural cavity of the thorax. The pleurae are two thin membranes, one cell layer thick, which surround the lungs. The inner (visceral pleura) covers the lungs and the outer (parietal pleura) lines the inner surface of the chest wall. This ...

  4. Respiratory system - Wikipedia

    en.wikipedia.org/wiki/Respiratory_system

    The respiratory system (also respiratory apparatus, ventilatory system) is a biological system consisting of specific organs and structures used for gas exchange in animals and plants. The anatomy and physiology that make this happen varies greatly, depending on the size of the organism, the environment in which it lives and its evolutionary ...

  5. Thoracic diaphragm - Wikipedia

    en.wikipedia.org/wiki/Thoracic_diaphragm

    In birds and mammals, lungs are located above the diaphragm. The presence of an exceptionally well-preserved fossil of Sinosauropteryx, with lungs located beneath the diaphragm as in crocodiles, has been used to argue that dinosaurs could not have sustained an active warm-blooded physiology, or that birds could not have evolved from dinosaurs.

  6. Thoracic cavity - Wikipedia

    en.wikipedia.org/wiki/Thoracic_cavity

    structures of the respiratory system, including the diaphragm, trachea, bronchi and lungs [1] structures of the digestive system, including the esophagus, endocrine glands, including the thymus gland, structures of the nervous system including the paired vagus nerves, and the paired sympathetic chains, lymphatics including the thoracic duct.

  7. Pulmonary circulation - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_circulation

    The pulmonary circulation is a division of the circulatory system in all vertebrates. The circuit begins with deoxygenated blood returned from the body to the right atrium of the heart where it is pumped out from the right ventricle to the lungs.

  8. When Should I Go To the Doctor With Cold Symptoms?

    www.aol.com/doctor-cold-symptoms-190021287.html

    Credit - Getty Images. V irus season means lots of sniffles, coughs, and fevers—most of which you can treat at home. But when should you drag yourself out of bed to consult a doctor? “Going to ...

  9. Postural drainage - Wikipedia

    en.wikipedia.org/wiki/Postural_drainage

    In postural drainage, the patient's body is positioned so that the trachea is inclined downward and below the affected chest area. [9] The body is positioned so that secretions drain into sequentially larger bronchi. [5] Frames, tilt tables, and pillows may be used to support patients in these positions. [1] [6] Up to 12 postures may be used. [10]