Question : Out of 'X' pairs of ribs in humans only 'Y' Pairs are true ribs. Select the option that correctly represents values of X and Y and provides their explanation.

Question : Out of 'X' pairs of ribs in humans only 'Y' Pairs are true

1.	Question : Out of 'X' pairs of ribs in humans only 'Y' Pairs are true ribs. Select the option that correctly represents values of X and Y and provides their explanation.
Answer» X = 12, Y = 7 TRUE ribs are attached dorsally to vertebral coloumn and VENTRALLY to the sternum. X = 12, Y = 5 True ribs are attached dorsally to vertebral column and sternum on the two ends X = 24, Y=7 True ribs are dorsally attached to vertebral column but are free on ventral side. X = 24, Y = 12 True ribs are dorsally attached to vertebral column but are free on ventral side. Answer :A