Some athletes use "blood doping," adding additional red blood cells to the blood, to achieve a competitive edge. the extra red blood cells will

The red blood cells will deliver oxygen to the muscles more efficiently, taking away fatigue and giving the athlete an edge. Hope this helps. You can help me by saying this is the brainiest answer.

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the