Calcium is an element found in the periodic table and has an atomic number of 20. It is also the most abundant mineral found in the human body; 99 percent of total body calcium is stored in the bones and teeth. ...

  • Loading...
locked icon

Sign in to access this content

Get a 30 day FREE TRIAL

  • Watch videos from a variety of sources bringing classroom topics to life
  • Read modern, diverse business cases
  • Explore hundreds of books and reference titles