Question

there are 12 pairs of curved bones called x in our chests region. one end of bone x is joined to backbone and their other end is joined to bone y in front to form a box like structure z. this strong box like structure protects the delicate organ p, q, r

Answer 1

the bony box protect the lungs,heart ,liver and as well as diaphragm. ..
answering thus question in hope this helps u guys. .