Question

There are 12 pairs of curved bones called X in our chest region. One end of bones X is joined to the backbone and their other end is joined to bone Yin front to form a box-like structure Z. This strong box-like structure protects the delicate internal organs P and Q.(a) What are X, Y and Z? (b) Name the organs P and Q.

Answer 1

Step-by-step explanation: Ribs:The thoracic cage (rib cage) forms the thorax (chest) portion of the body. It consists of the 12 pairs of ribs with their costal cartilages and the sternum