Question

Which one of the following minerals is essential for the oxygen carrying capability of blood?

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

Answer 1

The correct option is A Iron

Minerals are the nutrients required in small amount for the body to perform various functions.

• Blood contains a protein called hemoglobin. Iron is an important component of hemoglobin present in the red blood cells. This protein gives blood the ability to carry oxygen.
• Bones and teeth have higher concentration of minerals such as calcium and phosphorous which strengthens bones and teeth.
• Iodine controls the growth and also helps in speeding up the chemical reactions in the body.