What are four muscle groups involved in breathing

(For science)

How is the “ventilatory pump” made? From a functional point of view, there are three groups of respiratory muscles: the diaphragm, the rib cage muscles and the abdominal muscles. Each group acts on the chest wall and its compartments, i.e. the lung-apposed rib cage, the diaphragm-apposed rib cage and the abdomen

Explanation:

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