Some believe it makes you even more depressed.
Well the reason we do it is because they wanna see if you can run normally for explain: if your a over weight kid and you can’t run a mile they get so worried that they might send you to the hospital right away. They also do this so if your a lazy kid and never get out of bed and you say your body hurts then will know you just lie In bed and do anything
C) Red Blood Cells
Red blood cells contains hemoglobin, which provide oxygen
Well your body is affect by leukemia because once it starts taking out the white blood cells your body becomes weaker because there is nothing to fight off sickness so there really is no part of your body that leukemia does not effect.