The tongue bone is known as:

What will happen if a bone is kept in $10\%$ $KOH$ solution for $3$ days?

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.

Which pair of ribs is not connected ventrally?

Which ribs are attached to the sternum?

The backwardly projecting process of a neural arch in the case of lumbar vertebrae is known as: