Question

What is bones for clss 5

Answer 1

Answer:

Bones are strong but light in weight as they are hollow from inside

Explanation:

Answer 2

Made mostly of collagen, bone is living, growing tissue. Collagen is a protein that provides a soft framework, and calcium phosphate is a mineral that adds strength and hardens the framework. This combination of collagen and calcium makes bone strong and flexible enough to withstand stress.