Answer 21

 

 

The gathering of these manifestations, no doubt will direct thinking towards iron deficiency anemia and actually it was.

 

But this is not what we want to say, the notion we intended to be established in this situation is that if there is iron deficiency anemia you must look for the cause. However, in this case the cause had been proved "intestinal Bilharziasis".

 

It is to be noted that the boy gained weight and became taller after correction of these ailments.