How the Lungs Work - The Respiratory System | NHLBI, NIH
2022年3月24日 · Your lungs are on each side of your heart, inside your chest cavity. They are the main organs of the respiratory system. The right lung is divided into three lobes (sections), and the left lung is divided into two lobes.
Lungs: Location, Anatomy, Function & Complications - Cleveland Clinic
Your respiratory system prevents harmful substances from entering your lungs by using: Small hairs in your nose that act as an air-cleaning system and help filter out large particles. Mucus produced in your trachea and bronchial tubes to keep air passages moist and help catch dust, bacteria and other substances.
Respiratory System: Organs, Facts, Anatomy & Function - Cleveland Clinic
Your respiratory system is made up of your lungs, airways (trachea, bronchi and bronchioles), diaphragm, voice box, throat, nose and mouth. Its main function is to breathe in oxygen and breathe out carbon dioxide.
Lungs - The Respiratory System
2017年9月2日 · Humans have two lungs, the left lung, and the right lung. They are of different sizes and are divided into multiple lobes [3]. A healthy lung has a pinkish appearance, and if you could see it outside the body, it would look like a squishy, rubbery structure [4].
How Lungs Work - American Lung Association
2024年11月8日 · Learn how your lungs work and how to keep your lungs and yourself healthy. Why Are Lungs Important? Every cell in your body needs oxygen to live. The air we breathe contains oxygen and other gases. The respiratory system's main job is to move fresh air into your body while removing waste gases.
Lung Anatomy, Function, and Diagrams - Healthline
2018年12月14日 · 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.
Respiratory System: Functions and Organs - WebMD
2024年1月8日 · It goes into you bloodstream and gets carried to your lungs. You breathe it out when you exhale. This vital function is called "gas exchange," and your body is set up to do it automatically. Your...
Physiology, Lung - StatPearls - NCBI Bookshelf
2023年7月20日 · The respiratory system is composed primarily of the nose, oropharynx, larynx, trachea, bronchi, bronchioles, and lungs. The lungs further divide into individual lobes, which ultimately subdivide into over 300 million alveoli. The alveoli are …
Respiratory System Anatomy, Diagram & Function - Healthline
2023年7月31日 · The respiratory system, which includes air passages, pulmonary vessels, the lungs, and breathing muscles, aids the body in the exchange of gases between the air and blood, and between the blood...
How the Lungs Work - The Lungs - NHLBI, NIH
2022年3月24日 · The lungs are the centerpiece of your respiratory system. Your respiratory system also includes the trachea (windpipe), muscles of the chest wall and diaphragm, blood vessels, and other tissues. All of these parts make breathing and gas exchange possible.