Understanding human respiratory system with a detailed model of lungs and bronchi demonstrating anatomy and function in a clinical setting

BREATHING [ANATOMY, PHYSIOLOGY & BIOMECHANICS] Breathing occurs when the contraction or relaxation of muscles around the lungs changes the total volume of air within the air passages (bronchi, bronchioles) inside the lungs. When the volume of the lungs changes, the pressure of the air in the lungs changes in accordance with Boyle's Law. If the pressure is greater in the lungs than outside the lungs, then air rushes out. If the opposite occurs, then air rushes in. Here is a summary of the process

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Transparent human lung respiratory system anatomy showing particles, infection, inflammation and bronchi with one lung healthy and one lung

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