Question

what might be the effect on person whose diet contained too little iron

Answer 1

a person with a diet composed of too little iron means he cant produce enough RBC(red blood cells) therefore affecting his oxygen transport levels which means he cant get enough energy and therefore gets too tired very quickly ,this condition is called anemia and the person is said to be anemic

Answer 2

Lack of iron in first causes anemia which is not good for one's body.

Further it may lead to inflammatory bowel disease. Once's diet should probably contain adequate amount of iron cause our body requires it to make hemoglobin ( a important protein ) .

Hope my answer helps you out..