Dem Bones Dem Bones I. Appendicular Skeleton A. Skull 1. 11,12 transition to lumbar. Cervical curvature forms when baby holds up head 2. Lumbar curvature forms when baby support weight upright 4. Shift trunk weight over limbs.
Functions protects heart, lungs, thymus, etc.
Only connect to vertebrae, not sternum. Head aka capitulum joins vertebral column. Sternum aka breastbone. Not completely fused to 25 yrs. Pyramidal sternal end only direct connection with axial and pectoral girdle joins scapula at acromion process.