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.
Sternum. The sternum, or breastbone, is a flat bone at the front center of the chest. The ribs and sternum make up what is called the ribcage.. The ribcage protects the lungs, blood vessels, and heart, along with parts of the spleen, stomach, and kidneys from traumatic injury.The sternum is attached to the first seven ribs and also to the clavicle, or collarbone. The sternum is made up of three parts called the manubrim, the body, and the xiphoid process.In adults, the sternum portions are fused. The top of the sternum is the manubrim, or handle. It is connected to the first two ribs and is not completely rigid.he ribcage protects the lungs, blood vessels, and heart, along with parts of the spleen, stomach, and kidneys from traumatic injury. The sternum is attached to the first seven ribs and also to the clavicle, or collarbone. The sternum is made up of three parts called the manubrim, the body, and the xiphoid process.