1. The Skeletal System
Vertebral Column

2. Vertebral Column Atlas Axis 7 Cervical Vertebrae (C1-C7)
Lumbar Vertebra, lateral view
12 Thoracic Vertebrae (T1-T12)
Lumbar Vertebra, Superior view
5 Lumbar Vertebrae (L1-L5)
Sacrum
Coccyx

3. Vertebral Column Composed of 33 bones 7 Cervical Vertebrae (neck)
C1 (Atlas, C2 (Axis)
12 Thoracic Vertebrae (chest)
5 Lumbar Vertebrae (lower back)
1 Sacrum (pelvis)
Made of 5 fused vertebrae
1 Coccyx (tailbone)
Made up of 4 fused vertebrae

4. Vertebral Column
Vertebrae are arranged in a cylindrical column interspersed with a intervertebral disk.
Function
forming a strong and flexible support for the neck and trunk.
The point of attachment for muscles of the back
Protects the spinal cord and nerves, and
Provides essential support for the body and the ability to keep the body erect.

5. Intervetrebral Disks
The intervertebral disks absorb shock effectively when the load on the column increases
They also allow the vertebrae to
move without causing damage
to other vertebrae or the spinal cord

6. Vertebrae shapes