Joe has decided to donate blood. How much iron will he lose if he donates 2 pints (1000 mL) of blood in a year?

Question

Quizplus · Accepted Answer

The average concentration of iron in the blood is about 50 mg/dL. A pint of blood (500 mL) contains about 250 mg of iron. Therefore, 2 pints (1000 mL) of blood contains approximately 500 mg of iron. Assuming Joe donates blood once a year, he will lose approximately 5 mg of iron.

Joe Has Decided to Donate Blood