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The respiratory system includes the organs, tissues, and muscles that help you breathe. It helps distribute oxygen throughout your body while filtering out carbon dioxide and other waste...
The respiratory system is divided into an upper and lower respiratory tract. The upper tract comprises: the nose and nasal cavity; the sinuses; the pharynx; the larynx; The lower respiratory...
Your respiratory system is the organs and structures in your body that allow you to breathe. It includes your lungs, nose, mouth and the tubelike structures (airways) that connect them. You also have muscles and blood vessels that support your respiratory system, and ribs to protect it.
How does the respiratory system protect itself from potentially harmful substances in the air? Explain how the rate of breathing is controlled. Why does the respiratory system need the cardiovascular system to help it perform its main function of gas exchange?
The respiratory system works as a whole to extract the oxygen from the inhaled air and eliminate the carbon dioxide from the body by exhalation. The upper respiratory mainly has an air-conducting function, while the lower respiratory tract serves both the conducting and respiratory functions.
Let’s explore the structure, function, and significance of the respiratory system, including its components, processes, disorders, and maintenance. Comparisons with other organisms’ respiratory systems provides a broader perspective.
The respiratory system provides oxygen to the body's cells while removing carbon dioxide, a waste product that can be lethal if allowed to accumulate. There are 3 major parts of the respiratory system: the airway, the lungs, and the muscles of respiration.
Human respiratory system, the system in humans that takes up oxygen and expels carbon dioxide. The major organs of the respiratory system include the nose, pharynx, larynx, trachea, bronchi, lungs, and diaphragm. Learn about the anatomy and function of the respiratory system in this article.
With every inhale, air rushes through your windpipe to your lungs. After 20 to 30 branch points, oxygen diffuses into the liquid around the alveoli and slips into your blood. Carbon dioxide travels from the blood to the air and leaves the body when you exhale. Learn more about the respiratory system in these videos!
Through breathing, inhalation and exhalation, the respiratory system facilitates the exchange of gases between the air and the blood and between the blood and the body’s cells. The respiratory system also helps us to smell and create sound.