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. The lungs together weigh approximately 1.3 kilograms (2.9 lb), and the right is heavier.

2025年1月18日 · 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 …

2022年8月15日 · 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.

2023年8月16日 · 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.

2024年11月8日 · Your right lung is divided into three LOBES, or sections. Each lobe is like a balloon filled with sponge-like tissue. Air moves in and out through one opening—a branch of the bronchial tube. Your left lung is divided into two LOBES.

2024年4月20日 · Knowledge of lung anatomy is essential for understanding pulmonary disease pathophysiology, interpreting diagnostic tests, and performing surgical procedures. A deeper grasp of lung anatomy is essential for healthcare professionals diagnosing, treating, and managing respiratory conditions.

2017年9月2日 · What are lungs definition, what body cavity is the location, anatomy (segmental anatomy left, right lung lobe), function, where gas exchange occurs, illustration

2025年1月6日 · The lungs lie either side of the mediastinum, within the thoracic cavity. Each lung is surrounded by a pleural cavity, which is formed by the visceral and parietal pleura. They are suspended from the mediastinum by the lung root – a collection of structures entering and leaving the lungs. The medial surfaces of both lungs lie in close ...

2025年1月22日 · The lung is a vital organ in the respiratory system responsible for the exchange of oxygen and carbon dioxide between the air we breathe and the bloodstream.[2] Humans have two lungs, which are soft, spongy, and cone-shaped.

2023年7月20日 · The lung is a primary location for a large proportion of human diseases. Lung disease further classifies into obstructive and restrictive diseases. Obstructive Disease. The definition of obstructive disease is lung disease with impaired expiration. It presents with decreased FVC, decreased FEV1, and, most notably, a dramatic decrease in FEV1/FVC.