The correct option is
D Part of skeleton and an artery
- Innominate is the one which does not have any name and these are not classified.
- Innominate parts in the body are:
- The brachiocephalic artery
- The brachiocephalic veins
- The three large bones which form the hip bone. Hence, Innominate is a Part of the skeleton and an artery.
So, the correct answer is 'Part of the skeleton and an artery'.