Question

hard parts of the body that makes up the skull

Answer 1

I guess bones, but I cannot understand your question properly

Answer 2

hey friend!
YOUR answer is here 》》

A single occipital bone forms the base of the skull, and the frontal bone forms the forehead. the sphenoid and ethmoid bones located to the front of the skull form parts of the orbital sockets and nasal cavity; they also support and protect key organs found in the skull.

HOPE it helps you.