Introduction
Lungs are the primary respiratory organs found in humans and most animals. The respiratory system consists of lung parenchyma and airway. The airway consists of the bronchus, which bifurcates into trachea and further divides into bronchioles and alveoli.
Humans have two lungs - a right lung and a left lung. It is found in the thoracic cavity of the chest. It is found near the backbone on either side of the heart. The lungs function to draw oxygen from the air and transport into the bloodstream and to remove carbon dioxide from the blood. This whole process is known as gas exchange. Lungs also supply the airflow with the help of which human speech is possible.
The diaphragm is the muscle which is responsible for driving gaseous exchange in the lungs. Both the lungs together weigh around 1.3 kg, the right one being heavier than the left. The lungs are enclosed in a pleural cavity called pleurae that is filled with pleural fluid. The pleural fluid between the outer and inner membranes smoothes the process of breathing and prevents friction.
#lungs #anatomy #function #video
17 апр 2024
