Examples of muscle diseases include muscular dystrophy. Nervous system diseases, such as paralysis, can lead to shortness of breath. Heart Diseases Many conditions that affect the heart and its capacity to move blood through the lungs can lead to shortness of breath. These conditions include valve diseases of the heart and others. Lung Tissue Diseases
Sternum, also called breastbone, in the anatomy of tetrapods (four-limbed vertebrates), elongated bone in the centre of the chest that articulates with and provides support for the clavicles (collarbones) of the shoulder girdle and for the ribs. Its origin in evolution is unclear.
The sternum or breastbone is a long flat bony plate connected to the rib bones via cartilage, forming the anterior section of the rib cage. Explain the structure and function of the sternum in the thoracic cage. The sternum, or breastbone, is a long flat bony plate which forms the most anterior section of the ribcage.