The moldboard is an important part of a plow.

The two parts of the toy are separable.

I ate part of the cake.

The cog is an essential part of the machine.

Tom acted the part of a sailor.

Calculus is an integral part of mathematics.

The auricle is the external part of the ear.

The fabrication of the machine parts was completed.

Impermanence is a natural part of life.

The cervix is the lower part of the uterus.