Crucigrama Skeletal SystemVersión en línea Identify the bones that form the thoracic cage. por Ashlyn Bartlett 1 _____ notch: A large indentation in the superior border of the manubrium. 2 this fossa articulates with the sternal end of a clavicle. 3 The superior sternal bone and extends from T3-T4 4 elongated flat bone forming the middle part of the anterior thoracic wall. 5 _____ cage; protects the heart and lungs 6 ______ process inferior sternal bone that is thin and pointed 7 Forms the junction between the manubrium and the body. 8 middle sternal bone that extends from T5-T9 4 8 5 2 6 3 7 1