1--A.
2--E.
3--C.
4--D.
5--B.
I Think this is correct Hope it Helps ^.^
Sodium ions help control blood flow, blood volume, osmotic balance, and pH.
A sedentary lifestyle is a lot of sitting around and little exercise.
A active one is the opposite. Exercise, playing sports, etc.
The stomach is the stretchy storage sac in the digestive tract.