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The Axial Skeleton. Honors Anatomy & Physiology. Skeletal Divisions. 206 separate bones + cartilages Axial Skeleton (80 bones) Skull (22 bones) + 7 associated bones Thoracic Cage (24 ribs + sternum) Vertebral Column (26 bones ) Appendicular Skeleton (126 bones) Limb bones
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The Axial Skeleton Honors Anatomy & Physiology
Skeletal Divisions • 206 separate bones + cartilages • Axial Skeleton (80 bones) • Skull (22 bones) + 7 associated bones • Thoracic Cage (24 ribs + sternum) • Vertebral Column (26 bones) • Appendicular Skeleton (126 bones) • Limb bones • Pectoral and pelvic girdles
Paranasal Sinuses: Mucosal lined air cavities that lighten the skull and resonate sound, mucusal secretions are released into the nasal cavity
The Vertebral Column • 7 Cervical vertebrae • Atlas C1 (yes) • No body • Axis C2 (no) • dens • 12 Thoracic vertebrae • Articulate with ribs • 5 Lumbar vertebrae • Largest • Sacrum and coccyx fused together
Homework • Write 1 paragraph explaining • Compare Scoliosis, Lordosis and Kyphosis • What are they • How treated • How compare • Include works cited