Mechanism of respiration in our body Mecha
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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.
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we have a pair of lungs and a whole respiratory system for respiration
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