What are the characteristics of bones?

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Explanation:

Dense and hard, has canals with blood vessels. Contains minerals to keep the bones strong and contains blood vessels. Thin and tough, covers all but the ends of the bone..

There are two types of bone marrow: red and yellow. Red bone marrow is where all new red blood cells, white blood cells, and platelets are made. ... Red bone marrow is found in the center of flat bones such as your shoulder blades and ribs.

there are two significant figures.