Which of these muscles change the shape of the chest (thoracic) cavity so we can breathe?
Answer Diaphragm and Intercostal (rib) muscles
By contracting and relaxing both the diaphragm and intercostal muscles, it changes the volume of the chest cavity enabling a person to inhale and exhale.
Asked by Eugene Fenster · Last updated 1 month ago · 14.4K views
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