Multiple choice

What micronutrient is necessary for the formation of hemoglobin, the oxygen-carrying protein in the blood?

  1. Iodine

  2. Iron

  3. Vitamin A

  4. Protein

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Iron is a critical component of hemoglobin, which is the protein in red blood cells responsible for transporting oxygen throughout the body.