Sodium and chlorine consists of how much body mass?

Sodium and chlorine consists of how much body mass?

سوڈیم اور کلورین میں جسمانی بڑے پیمانے پر کتنا ہوتا ہے؟
Explanation

Sodium (Na) and Chlorine (Cl) together make up about 0.45% of the human body mass.

They are essential electrolytes that help regulate fluid balance, nerve function, and muscle activity.