Some athletes use ʺblood doping,ʺ in which additional red blood cells are added to the blood prior to the competition. What is the effect of blood doping?
A) It increases oxygen delivery to muscles.
B) It changes the blood type.
C) It makes blood thinner so that it flows faster.
D) It decreases blood pressure.

Question

Quizplus · Accepted Answer

Blood doping increases the number of red blood cells in the bloodstream, which enhances the blood's ability to carry oxygen to the muscles. This is beneficial for endurance by improving aerobic capacity and endurance performance.

Some Athletes Use ʺBlood Doping,ʺ in Which Additional Red Blood