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Multiple Choice
What is bone primarily composed of?
A
Actin and myosin filaments
B
Elastin fibers and calcium carbonate
C
Keratin and chondroitin sulfate
D
Collagen fibers and hydroxyapatite
Verified step by step guidance
1
Understand that bone is a type of connective tissue that provides structural support to the body.
Recognize that the primary components of bone are collagen fibers and hydroxyapatite.
Collagen fibers provide tensile strength and flexibility to the bone, allowing it to withstand stretching and twisting forces.
Hydroxyapatite is a mineral composed of calcium and phosphate, which gives bone its hardness and ability to bear weight.
Together, collagen fibers and hydroxyapatite create a composite material that is both strong and resilient, essential for the bone's function in the body.