What regulates salt balance ?

Which one of the following statements about muscle is  mostaccurate?   a.  it weighs the same as fat.    b.  its weight in relation to fat depends on a person's fitness level.    c.  it weighs less than fat.    d.  it weighs more than fat

Anorex nervosa can be prevented but it can not be treated

Why am i a lesbian? don't report plz