Why is stretching considered exercise? choose all that apply
causes you to breathe harder
increases blood flow to the muscles
conditions the heart
heal the muscles
lengthens the myofibrils

increases blood flow to the muscles; conditions the heart; helps heal the muscles  should be the correct ones

out of the choices i'd say d the ability to set goals, mainly because to desire to continue you need motivation but it isn't motivation in that part, but setting goals means you have an endgame and you want to reach it which sums up motivation.

hey, the answer to the question would be d.) data on injury causes and rates.