The Skeletal System
From the sound of your name
You are a type of frame
Some kind of structure
With bone all over
Like the backbone
Skull and rib bone
Like the jaw and carpus
The digit and radius
Like the metacarpus
Tarsal and humerus
The fibula
The ulna
The scapula
The patella
The femur
The vertebra
Cranium
Sacrum
Also the pelvis
Is on your list