
Lung - Wikipedia
Humans have two lungs, a right lung and a left lung. They are situated within the thoracic cavity of the chest. The right lung is bigger than the left, and the left lung shares space in the chest with the heart. …
Lung | Definition, Function, & Facts | Britannica
Feb 21, 2026 · 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.
Lungs: Location, Anatomy, Function & Complications
Mar 6, 2026 · A typical adult lung weighs about 2.2 pounds (1 kilogram) and is a little longer than 9 inches (about 24 centimeters) when you’re breathing normally. It’s about 10.5 inches (27 cm) when …
The Lungs: Anatomy and 3D Illustrations - Innerbody
5 days ago · Each lung receives air from a single, large primary bronchus. As the primary bronchi enter the lungs, they branch off into smaller secondary bronchi that carry air to each lobe of the lung.
Lungs: Anatomy, Function, and Treatment - Verywell Health
Feb 6, 2026 · The right lung is larger than the left lung and has three lobes, while the left lung has two lobes. The lungs oxygenate blood by bringing in air through the trachea and into the alveoli.
Home | American Lung Association
We provide resources to help countless individuals manage lung diseases, such as asthma, COPD, lung cancer and pulmonary fibrosis. We also help people overcome their addiction to tobacco products …
How the Lungs Work - The Respiratory System | NHLBI, NIH
Mar 24, 2022 · Your left lung is slightly smaller than your right lung, since your heart takes up some space on the left side. When you breathe in, air enters your airways and travels down into the air …
Pulmonary Care - University of Maryland Medical System
University of Maryland Medical System lung specialists provide comprehensive diagnosis and treatment of heart, lung and bronchial tube conditions including asthma, bronchitis, chronic obstructive …
Lung Anatomy | Structure, Vasculature & Nerve Supply
Dec 15, 2025 · Detailed overview of lung anatomy, including lobes, surfaces, bronchial tree, blood supply, nerve supply, lymphatic drainage, and clinical relevance.