Whats blood doping? or blood preasure

blood doping is a technique to increase red blood cells in body, so it carries more oxygen so it increases stamina.

Blood doping is the practice of boosting the number of red blood cells in the bloodstream in order to enhance athletic performance.

Explanation:

Blood pressure is the force of your blood pushing against the walls of your arteries. Each time your heart beats, it pumps blood into the arteries. Your blood pressure is highest when your heart beats, pumping the blood.

five points is hardly rich man but anyway lol

for an essay you should be giving 300 points