Each coxal bone is formed by the fusion of $:-$

Bones of the limbs along with their girdles constitute the

Match the following columns:

Column-$I$ (Bone region)	Column-$II$ (Number of bones)
$P$. Thigh	$I$. $7$
$Q$. Shank	$II$. $14$
$R$. Knee cap	$III$. $1$ (Long bone)
$S$. Ankle	$IV$. $2$
$T$. Metatarsals	$V$. $1$ (Cup-shaped)
$U$. Phalanges	$VI$. $5$

$A$: Tibia is stronger and is present medially,whereas fibula is the outer and slender bone of the lower leg or shank.
$R$: Tibia has a sharp crest in the shaft and a projection on the inner side of the ankle called the lateral malleolus.

Innominate is a

Which is the longest bone in the human skeletal system?