I need the ASAP PLEASE HELP Complete the statement to describe the calcium concentration that must be maintained in human body cells. The calcium concentration must be greater the cell than the cell.

The renaissance was a major turn in history. many new ideas and technological advances came into place. it was a time of new thinking, where many were inspired by enlightenment beliefs. most people were branching out from what the government or the catholic church was saying, and using science to answer questions about the world around them. it was also a time when the arts were booming. artists, musicians, mathematicians, philosophers, and historians were becoming more and more of a respected society. the renaissance was a major turn in history. 

Ibelieve that it would be b because its the one that sounds the most correcttell me if you get it right : )