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Explore the detailed composition of the human skeleton, from the outer compact bone to the inner spongy bone and the roles of red and yellow marrow. Learn about the specific vertebrae in the spinal column and their functions in connecting to the pelvis. Discover the remnants of the mammalian tail in the coccyx.
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Bone Structure Outer, compact bone, made of straw-like Osteons. Inner, spongy bone, made of honeycombed trebeculae. Marrow: Red – blood cells Yellow – stores fat
Vertebrae • Cervical Vertebrae (7) • Thoracic Vertebrae (12) • Lumbar Vertebrae (5) • Sacrum (5 fused vertebrae) Attaches vertebral column to pelvis E) Coccyx (left over mammalian tail)