Question

7. Why are bones hard? Explain in brief.
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Answer 1

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Bones provide support for our bodies and help form our shape. Although they're very light, bones are strong enough to support our entire weight.

Bones also protect the body's organs. The skull protects the brain and forms the shape of the face.Bones are made up of a framework of a protein called collagen, with a mineral called calcium phosphate that makes the framework hard and strong

Answer 2

Bones are made up of a framework of a protein called collagen , with a mineral called calcium phosphate that makes the framework hard and strong.