1. Lung | Definition, Function, & Facts | Britannica

    https://www.britannica.com/science/lung

    Lung, in air-breathing vertebrates, either of the two large organs of respiration located in the chest cavity and responsible for adding oxygen to and removing carbon dioxide from the blood. The lungs are soft, light, spongy, elastic organs that normally, after birth, always contain air.

  2. Lungs: Location, Anatomy, Function & Complications

    https://my.clevelandclinic.org/health/body/8960-lungs

    Your triangularly shaped right and left lungs look a little bit like the ears of an elephant. A typical lung in a human adult lung weighs about 2.2 pounds and is a little longer than 9 inches when you’re breathing normally, and about 10.5 inches when your lungs are completely expanded.

  3. Lungs: Anatomy, Function, and Treatment - Verywell Health

    https://www.verywellhealth.com/lung-anatomy-4843718

    Each lung has three surfaces, named after their location in the thorax. They are the mediastinal surface, diaphragmatic surface, and costal surface. Lungs are protected by pleura, a thin layer of tissue that provides cushion and a small amount of fluid to help the lungs breathe smoothly.

  4. Lung Anatomy, Function, and Diagrams - Healthline

    https://www.healthline.com/human-body-maps/lung

    The lungs are the main part of your respiratory system. Here is how lungs work as the center of your breathing, the path a full breath takes in your body, and a 3-D model of lung anatomy.

  5. How the Lungs Work - The Lungs - NHLBI, NIH

    https://www.nhlbi.nih.gov/health/lungs

    The Lungs. Your lungs are the pair of spongy, pinkish-gray organs in your chest. When you inhale (breathe in), air enters your lungs, and oxygen from that air moves to your blood. At the same time, carbon dioxide, a waste gas, moves from your blood to the lungs and is exhaled (breathed out).