In humans,the sacrum is formed by the fusion of how many vertebrae?

Which is the heaviest vertebra in humans?

The function of prezygapophysis and postzygapophysis is to:

The vertebra in which the centrum is absent and transverse processes are present is known as:

How many bones make up the rib cage?

Statement-$I$: Each rib is a thin flat bone connected dorsally to the vertebral column and ventrally to the sternum.
Statement-$II$: The $8^{th}$,$9^{th}$,and $10^{th}$ pairs of ribs do not articulate directly with the sternum but join the seventh rib with the help of hyaline cartilage. These are called floating ribs.