How Do Males Differ from Females in the Context of the Amount

How do males differ from females in the context of the amount of iron in their bodies?

A) After age 20, healthy males require less iron intake than do females.
B) The depletion of iron reserves in adult males occurs more readily than in adult females.
C) Adult males are more likely than adult females to develop a dietary deficiency of iron.
D) Adult males are more likely than adult females to suffer from pica, a condition that leads to iron deficiency.