Answer: The correct answer is option B
"Iron helps my child's body make healthy RBCs with hemoglobin."
Explanation: Iron deficiency anaemia is a type of anaemia that is caused by lack of iron in the body making the bone marrow to produce red blood cells (RBC) without haemoglobin which is the oxygen carrying component of the red blood cells (RBC),When there is appropriate/adequate amount of iron in the body,the bone marrow will be able to produce healthy red blood cells (RBC) with haemoglobin.