Question

Among the ions present which is maximum in a normal human body?

• A. Potassium
• B. Sodium
• C. Iron
• D. Copper

Answer 1

The correct option is A Potassium

Option $\left(A\right)$ is correct.

Potassium ions is present maximum in normal human body.

Almost 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium. Human body is composed of 0.4% potassium.