What is bone and how does it works? and what is skeleton

Bones
 when we touch our hands,feet,back etc.We feel soft skin and under skin, we find hard structures. These Structures are bones. Bones from the framework of our body these are hard and of white colour.Bones are mainly made of calcium and phosphorus.The bones are filled with a soft, fatty substance called the bone marrow.White blood cells (WBC )and red blood cell (RBC)are performed in the bone marrow.

RBC are present in the hemoglobin of the body.WBC fight against the introduction and protect our body organ the disease. Bones have tiny pores to connect them with nerves and blood vessels.The bones in different part of the body are different.The framework of bones is called skeleton.

Human skeleton and how does it work you will learn in next page

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