One difference in the way the human body regulates iron and copper status is that
A. unlike iron, copper is always absorbed at a high rate even when copper stores are high.
B. excess iron is excreted while excess copper is not.
C. excess copper is excreted while excess iron is not.
D. iron toxicity can result in liver damage, whereas copper toxicity does not.
Question 2
Women of child-bearing years are more susceptible to iron deficiency than men of similar ages mainly because of
A. menstrual blood losses.
B. reduced iron intake overall.
C. poorer iron absorption.
D. impaired regulation of iron absorption.
X chromosome inactivation in female mammals produces the Barr Body.
Human Body Muscle Diagram
Human skull
Anterior and posterior human skeleton.
Copper Mining
Representative Recessive and Dominant Human Traits