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NEET BIOLOGY Locomotion and MovementEasy

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:

A

X=12, Y=5 True ribs are attached to vertebral column and sternum on the two ends.

B

X=24, Y=7 True ribs are dorsally attached to vertebral column but are free on ventral side.

C

X=24, Y=12 True ribs are dorsally attached to vertebral column but are free on ventral side.

D

X=12, Y=7 True ribs are attached dorsally to vertebral column and ventrally to the sternum.

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