How many ribs are present in human beings

Options

A. 6 pairs
B. 9 pairs
C. 12 pairs
D. 15 pairs

Answer

C

Explanation

The human rib cage is made up of 12 paired rib bones, each are symmetrically paired on a right and left side of all 24 ribs the first seven pairs are referred to as true ribs while 8th, 9th, 10th ribs are false ribs. While eleventh and twelfth rib is floating ribs because the coastal cartilage at the anterior ends do not attach to the sternum