I would say idk because Idk the answer choices.
<span>An element is a pure substance that cannot be broken down into anything simpler by physical or chemical means.</span>
The term Doping is essentially what athletes on Erythropoietin or EPO commonly known as use. It increases the production of red blood cells in the bone marrow. Erythropoietin is usually produced by the kidneys when oxygen in the blood gets to low levels.
The prime regulator of red cell production is erythropoietin and its major functions are to:
- Promote the development of red blood cells.
- Initiate the synthesis of hemoglobin, the molecule within red blood cells that transports oxygen.
Hope this helps you out.
