You might think that you know your bones very well but take some time to go through the list and find some fun facts about your body.

Here are our picks for the top 10 bone facts


1Your ribs work hard

Your rib-cage expands and contracts up to 10 million times each year – every time you breathe.


2Your bone is light

The bones of an adult comprises a relatively small proportion of his or her total weight – about 15% in men and 12% in women.


3Your smallest bone is in the ear

The smallest bone is in the body is only about 3mm long – the stapes or (or stirrup) in the middle ear.


4You loose them as you grow up

Each human is born with 300-350 bones in his or her body. By the we reach adulthood, that number is only 206 – many fuse during development.


5You have one unconnected bone

The hyoid, a horseshoe-shaped bone at the base of your tongue, is not joined to another bone – the only such solitary bone in your body.


6Hands and feet are you boniest parts

More than half of your bone are in your hands and feet – 27 in each hand and 26 in each feet.


7Your neck is like a giraffe’s

Humans have the same number of cervical vertebrae as that of a giraffe – seven.


8You have non living bone

Bone consist largely of a matrix of collagen and hyroxylapatite (bone mineral) crystals. As little as five percent is made up of living cells.


9You have strong legs

Your femur (thigh bone) is the longest, strongest and the heaviest bone of your body. It’s length is 26% of your overall height.


10Your bone makes blood

Bone marrow produces about 2.4 million erythrocytes (red blood cells) per second.



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