Discuss the roles that sodium ions perform in the body

Discuss the roles that sodium ions perform in the body

Paper details:

hi there ,
I just need to edit the Essay,
see the attached file you will see the second submission mark-sheet which is in (Essay topics* file *) I highlight it just reed it please .
And I will upload the Essay wish need to fix. please see the mark sheet and the points which I got low mark on it