1. The Skeletal System
The Skull

2. The Skull The skull is divided into two parts:
The curved flat bones form the calvaria or vault that protect thee brain.
The irregular bones of the face give it its individuality and provides protection for the eyes, air passages etc.

3. The Skull
Parietal Bone
Frontal Bone
Occipital Bone
Temporal Bone

4. The Calvaria (Vault)
These flat bone may be fractured by blows to the skull.
ex: hitting the skull on the ice in hockey)
Temporal Bone
Most fragile bone of the skull
Overlies a major blood vessel
If this bone is fractured or misplaced,
it can cut an artery resulting in a
hemorrhage

5. Facial bones External Auditory meatus Zygomatic Bone Maxilla
Mandible
Nuchal Line
Mastoid process

6. Facial bones
Facial Bones are the ones often broken in contact sports due to the rough impact.
Some fractures across the maxilla (upper jaw) can leave the lower face separated from the upper face