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Basics of human bones

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Basics of human bones Human body is a collection of wonders. Though science has advanced so much and humans have been successful in inventing the most complex gadgets, but we've not even come any closer in inventing something which is as perfect as a human body. This proves that God almighty is the mightiest and the wisest of all. We stand nowhere close to him.

There are several systems in our body which co-ordinate with other systems and provide a platform for successful running of our body.

There are several such systems without which a human body cannot survive as for an example, nervous system, cardiac system, respiratory system, digestive system, execratory system, etc. Perfect working of all these systems is a must. One such important system is the skeletal system, which consists of all our bones.

Our bones serve as a framework in which several organs, anchors muscles are attached. It also protects organs such as brain, lungs and heart. Bones are primarily made up of 3 types of cells namely osteoblasts, which make new bone and help repair damage; osteocytes, which carry nutrients and waste products to and from blood vessels in the bone; and osteoclasts, which break down bone and help to sculpt and shape it. Bones consists of 14% of our total weight.

When a baby takes birth the numbers of bones in it are more than 300 then later on as the baby grows the bones fuses and the number of bones in a grown up adult is about 206 to 208. The largest bone in human body is femur.

It is known as the higher limb of the leg of human. Some bones have common names like the arms and the legs are called limbs, the ones covering the lungs are called ribs, the one covering the brain is called skull, one at the back is called the spinal cord and the small bones through which it passes are vertebras.

There are 33 vertebras in the spinal column. Spinal cord is the whole and soul of nervous system. Error and disease in bones can be discovered through X-Rays and other radiology studies and the science of studying about bones in detail is called Orthopedics.

By FW Editor


Tags: human body, bones, knowledge



Category: Education  - ( Education Archive)

Date Added: 21 January '10


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