1. A part of the skeletal that protects the vital
organs of the body like the heart, liver, lungs,
and kidneys.
2. It is the smooth, resilient material that allows
the bones to move over one another without
scraping or catching
3. Allow the movement of the bones through
this combination of ball and socket contours
4. It is a bone that protects the brain and the
sense organs.
5. It is located within the spongy bone areas,
it produces enormous red blood cells, at a rate
of millions per minute.

A. skull
B. axial skeleton
C. joints
D. red marrow
E. cartilage
F. bone​