respiratory muscles

Lung-moving tissue group

Respiratory muscles are the muscles that expand and contract the chest cavity during breathing.

The diaphragm does most of the work, flattening downward to draw air into the lungs.

The intercostal muscles between the ribs assist by lifting and spreading the ribcage.

During heavy exertion or respiratory distress, accessory muscles in the neck and abdomen join in: The patient was using accessory respiratory muscles to breathe.

Related

breathing · lung capacity · exhalation · ventilator · COPD · rib cage · chest wall · inhalation · inhalation

Opposites
physiological function

respiratory musclescardiac muscle

Heart wall tissue

heart muscle · myocardium · smooth muscle · cardiac tissue · involuntary muscle

Family

respiratory, muscles, respire, respiration, respirator, respirable, muscle, muscled, muscling

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