Which bone type is broad and protects organs, including the skull and ribs?

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Multiple Choice

Which bone type is broad and protects organs, including the skull and ribs?

Flat bones are broad, thin plates that provide important protection for internal organs while also offering a large surface area for muscle attachment. In the skull, flat bones form a protective enclosure for the brain, and in the rib cage they shield the heart and lungs. The skull bones are typically two layers of dense bone with a layer of spongy bone (diploë) between them, which gives strength without excessive weight. The rib cage likewise combines broad flat bones to make a sturdy protective cage. By comparison, long bones are shaped for leverage and movement, irregular bones have specialized shapes for particular roles, and sesamoid bones are small bones that develop within tendons to modify pressure and movement.

Flat bones are broad, thin plates that provide important protection for internal organs while also offering a large surface area for muscle attachment. In the skull, flat bones form a protective enclosure for the brain, and in the rib cage they shield the heart and lungs. The skull bones are typically two layers of dense bone with a layer of spongy bone (diploë) between them, which gives strength without excessive weight. The rib cage likewise combines broad flat bones to make a sturdy protective cage. By comparison, long bones are shaped for leverage and movement, irregular bones have specialized shapes for particular roles, and sesamoid bones are small bones that develop within tendons to modify pressure and movement.

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