In mammals,few vertebrae join to form

Patella bone is an example of

Out of $X$ pairs of ribs in humans,only $Y$ pairs are true ribs. Select the option that correctly represents the values of $X$ and $Y$ and provides their explanation.

The head of the rib which articulates with the transverse process of thoracic vertebrae is called

Match the following columns:

Column-$I$	Column-$II$ (Number of bones)
$P$. Face	$I$. $6$
$Q$. Ear ossicles	$II$. $14$
$R$. Cranium	$III$. $1$
$S$. Hyoid bone	$IV$. $8$

Find out the true and false statements.
$(A)$ Human skeleton has $206$ bones
$(B)$ There are $12$ pairs of ribs in human beings
$(C)$ Sternum is present on the dorsal side of the body
$(D)$ All mammals (except a few) have $8$ cervical vertebrae
$(E)$ Ribs are bicephalic