Question

Which of the following is involved in mineralization of bones and teeth, muscle contraction and relaxation, nerve function and blood clotting?

• A. Calcium
• B. Iron
• C. Iodine
• D. Sodium

Answer 1

The correct option is A

Calcium

Minerals are needed for the proper growth and normal functioning of the body. Calcium is involved in the mineralization of bones and teeth, muscle contraction and relaxation, nerve function and blood clotting. Iron is responsible for the formation of haemoglobin, iodine is used in making thyroid hormone and sodium is required for the proper functioning of nerves and muscles.