Generally it can either be ones feelings about oneself or ones past experiences, usually the two link in some way
I believe the best choice will be option 3
Answer:
b) Cardio respiratory
Explanation:
Just as exercise strengthens other muscles in your body, it helps your heart muscle become more efficient and better able to pump blood throughout your body. This means that the heart pushes out more blood with each beat, allowing it to beat slower and keep your blood pressure under control. Aerobic exercise boosts your good cholesterol (HDL), and lowers your bad cholesterol (LDL).
Hope this helps ya! Best of luck <3
