Copper is also needed for electron and oxygen transportation in the body. (progressivehealth.com)
Among many other roles of Iron in the body the main ones are: oxygen transportation throughout your body as well as metabolism and immune system support. (fitnessandpower.com)
Lentils are also a good source of vegetarian iron, an essential mineral needed for oxygen transportation in the blood and for proper metabolism. (crunchyradish.com)