Multiple choice

Why is iron needed?

  1. To strengthen bones and teeth.

  2. To control the amount of water in the body.

  3. To make haemoglobin in red blood cells.

  4. To make the nerves and muscles work properly.

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

Iron is a crucial component of hemoglobin, the protein in red blood cells that transports oxygen from the lungs to the rest of the body. A deficiency in iron can lead to anemia, causing fatigue and weakness.