Head I hope I helped you usually the head comes first unless it's the other way around then the AWNSER would be legs
Charm bracelet? ---------------
Aerobic exercise improves your cardiovascular fitness by increasing your capacity to use oxygen. It boots your HDL and lowers your LDL (the bad cholesterol in your body. Aerobic exercise reduces the risk of getting heart disease, high blood pressure, type 2 diabetes, colon cancer & breast cancer. It can also reduce anxiety, stress and depression, as well as instilling a general sense of well-being. Regular aerobic exercise has even been shown to have the potential to increase your lifespan.
Answer: The answer is A (Where you will perform the exercise activity.)
Explanation: The reason why it's A is because it doesn't really matter where you do it as long as you can do it there.
I hope this helped!