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Unformatted text preview: und in vertebrates, the endoskeleton is living tissue that is lightweight and can repair
• Primary functions of the vertebrate skeleton:
• Production of blood cells
• Calcium, phosphorous, and energy storage
• The vertebrate skeleton is made of living tissue
• Bone and cartilage are made up of cells surrounded by a matrix. Because the cells are at a distance
from their blood supply, getting nutrients to them is slower. Damaged tissue must not only replace cells,
but the matrix as well. This is why bone and cartilage heal slowly.
• The matrix in cartilage is collagen protein.
• In bone, the matrix is made of collagen protein and minerals (calcium and phosphorous).
• Bone continuo...
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- Winter '09