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Bones of the Skeletal System

By Milton Bertrand
He is a fellow Geazler; he can be found on Geazle.com STEM Web-based Network

The skeleton is a composition of all the bones in the human body. The skeletal system is the body's basic framework; it provides structure, protection, and movement.  The skeleton of a newborn has more than 300 bones; however, as you age, these bones grow together and fuse into larger bones; by the time you reach adulthood, you have 206 bones in your body. Each bone has a function. Some bones offer protection to softer more fragile parts of your body. For example, the skull protects the brain and the rib cage protects your heart and lungs. Other bones, like bones in your legs and arms help you to move around by providing support for your muscles. These bones also produce blood cells, store important minerals and release hormones necessary to life. 
Fun facts about bones
  • About 70 percent of your bones are not living tissue, but hard minerals like calcium.
  • The smallest bones are in the ear.
  • Your bones stop growing when we are around 20 years of age.
  • The spine has 33 bones.
  • Red bone marrow can produce around 5 billion red blood cells each day.
  • If your body doesn't have enough calcium, it will take it from your bones making our bones weaker.
 In the following table can you find and name at least 10 bones, or as many as you can. It is great fun. 

Geazle.com Science, Technology, Engineering & Mathematics Network

About Milton Bertrand:
Milton is a STEM advocate and a fellow Geazler. His passion for STEM fields extends way back to his early childhood when his curiosity led him to reverse engineer his toys and tinker with many types of experiments. Currently, Milton is working on the stimulation of STEM to raise awareness regarding the importance of these disciplines.


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