Out of 'X' pairs of ribs in humans only 'Y' pairs are true r... | Biology | SolveeIt | Solveeit

Today, August 24

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 = 7; True ribs are attached dorsally to vertebral column and ventrally to the sternum

B

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

C

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

D

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

Answer

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

Explanation

Solution

The correct option is (A): X = 12, Y = 7; True ribs are attached dorsally to vertebral column and ventrally to the sternum.