Describe the process of breathing in humans
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The process of taking in oxygen-rich air is known as inhalation, while the process of releasing carbon dioxide-rich air into the atmosphere is known as exhalation. During inhalation, the diaphragm moves down and the ribs move upwards and outwards, thereby increasing the space in the chest cavity.
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When we breathe in air, the diaphragm contracts which results in the increase in volume of chest cavity. ... This contraction pushes the air from the lungs into the trachea, nostrils and then out of the body into air. Breathing in air is called inhalation and breathing out air is called exhalation.
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