The bones found in an adult are present in the form of ........ in the embryo.

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.

The function of the skeleton in vertebrates is/are:

The tongue bone is known as:

The part of the axial skeleton that includes the upper jaw,lower jaw,hyoid apparatus,and gill arches is called:

The number of vertebrae in a human is $ . . . . . . $.