Iron is needed to form the protein __________________ in red blood cells, which transports oxygen in

  1. Iron is needed to form the protein __________________ in red blood cells, which transports oxygen in the blood.
  2. What is heme iron? What foods provide it?
  3. What is nonheme iron? What foods provide it?

100. Which form of iron is absorbed the best (heme iron or nonheme iron)?

101. The MFP factor in meat increases the absorption of _____________________.

102. What water soluble vitamin increases the absorption of nonheme iron?