A wholesaler can act as a middleman, brokering deals between these businesses. The sale and distribution of goods to users other than end consumers. Wholesaling involves selling merchandise to retailers, wholesalers and merchants, or to industrial, commercial and institutional users. A wholesaler can act as a middleman, brokering deals between these businesses.
Hemoglobin, which carries iron, gives red blood cells their color. Iron, a mineral you ingest in food, plays a vital role in transporting oxygen to tissues throughout your body. Although iron has other functions as well, acting as an oxygen delivery system is its best-known function.
  Answer   Hemoglobin is the protein molecule in red blood cells that carries oxygen from the lungs to the body's tissues and returns carbon dioxide from the tissues â¦ to the lungs. The iron contained in hemoglobin is responsible for the red color of blood.  Answer   your red blood count.bout 70 percent of your body's iron is found in the red blood cells of your blood called hemoglobin.iron is a component of certain proteins, essential for respiration and energy metabolism so it is also a source of iron compound.