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Intercostal
- Muscles of the Trunk (National Cancer Institute)Anatomy/Images ... Anatomy ... National Cancer Institute ... From the National Institutes of Health
- How Your Body Controls Breathing (National Heart, Lung, and Blood Institute)Vital Signs/Learn More ... Vital Signs ... Breathing Problems/Start Here ... Breathing Problems ... National Heart, Lung, and Blood Institute ... Lungs,Pulmonary,Respiratory system, ...