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How are the ribs pulled upwards and outward when a person inhales?
Wiki User
∙ 14y ago
Think of your lungs like a vacuum. They want air inside them so as they inflate the rib cage and belly, from the diaphragm, expand as the air rushes in to inflate the lungs. Exhaling requires the contraction of the diaphragm and intercostal muscles (between each rib) forcing the air out. Breathing is an autonomic function controlled by the medulla oblongata although you do have some conscious control over it.
Hope this is helpful.
Wiki User
∙ 14y ago
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