an athlete might believe that there is a benefit to blood doping with red blood cells because it 1) could improve the delivery of oxygen to the muscles 2) could increase the amount of training necessary 3) would help to delivery necessary nutrient molecules to the cells 4) would help an athlete to fight
1) could improve the delivery of oxygen to the muscles
Because such blood cells carry oxygen from the lungs to the muscles, a higher concentration in the blood can improve an athlete’s aerobic capacity and endurance.