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#nose exhale

You: I NE’d

Me, an intellectual:  I exhaled slightly more air than usual thanks to this post’s humorous content, causing my diaphragm and external intercostal muscles to contract. The diaphragm moves downward, increasing the volume of air in the thoracic cavity, and the external intercostal muscles pull the ribs up and outward, expanding the rib cage and further increasing chest volume. This increase in volume lowers the air pressure in the lungs as compared with the atmospheric air. Because air always flows from a region of high pressure to an area of lower pressure, it travels through the nostrils, throat, larynx and trachea into the alveoli, the microscopic air sacs in the lungs. During a resting expiration, the diaphragm and external intercostal muscles relax, restoring the thoracic cavity to its original volume and forcing air out of the lungs and back into the atmosphere.

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Me: *putting cat and dog out*
Dog: *snorts*
Cat: *jumps at dog’s snorting*
Me: *laughs by means of nose exhale and shakes head*

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