The manubrium body and xiphoid process form a bone called th

The manubrium, body, and xiphoid process form a bone called the___ The last two pairs of ribs that have no cartilaginous attachments to the sternum are sometimes called___ ribs. There are ___ pairs of true ribs Costal cartilages are composed of___ tissue The manubrium articulates with the___ on its superior border. List three general functions of the thoracic cage.___ The sternal angle indicates the location of the ___ pair of ribs.

Solution

1.The manubrium,body,xiphoid process form a bone is called Sternum. it is located in centre of the chest.it connects to ribs via cartilage.

2. the last two pair of ribs that have no cartilaginous attachment to the sternum are sometimes called FLOATING RIBS.

3. THE first 7 pair of ribs are known as true ribs. 8-10 th pair are known as false ribs and the last two pair are termed floating ribs.

4. costal cartilages are composed of specialised fibrous connective tissue. in embryo it forms most of the temporary skeleton.