Out of 'X' pairs of ribs in humans only ...

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

x=12 , y=7 True ribs are attached dorasally to vertevral column and ventrally to the sternum

x=12, y=5 True ribs are attached dorasally to vertevral column and sternum on the two ends

x=24, y=7 True ribs are attached dorasally to vertevral column but are free on ventral side

x=24, y=12 True ribs are attached dorasally to vertevral column but are free on ventral side

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Verified by Experts

In human, 12 pairs of ribs are present in which 7 pairs of ribs (1st to 7th pairs) are attached dorsally to vertebral column and ventrally to the sternum.

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