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Breathing out (expiration). The intercostal muscles and diaphragm relax to



During expiration, the inspiration muscles relax forcing gases to flow out



This expels the air out of



Diagrammatic Representation of Breathing Process:



Relaxation of these muscles forces air out of the lungs at exhalation.



breathing



Sounds of inspiration and expiration (breathing in and breathing out) can



Sounds of inspiration and expiration (breathing in and breathing out) can



'Breathing in' is called inspiration and 'breathing out' is called



airflow is primarily impaired during expiration (breathing out).



in) or expiration (breathing out). When your pet has trouble breathing,



handle out;



The ability to exhale (breathe out) gets worse over time.



X-ray of healthy lungs (greenlue) during expiration (breathing out).



X-ray of healthy lungs (greenlue) during expiration (breathing out).



Figure 3: Nerve Supply to Breathing Muscles. Expiration, on the other hand,



inspiration or breathing in of fresh air and expiration or breathing out



Above: (a) the tidal flow in and out of the lungs at rest that is caused by



Senses breathing patterns and adjusts pressure accordingly.



Breathing out is called expiration or exhalation.