The answer is C. You don't really need the others because they don't impact your physical health. If you think about it that way!!
the thoracic region encompassing the chest. the mammary region encompassing each breast. the sternal region encompassing the sternum. the abdominal region encompassing the stomach area. the umbilicus, or naval, is located at the center of the abdomen.
The answer to the question mentioned is "free radical" and "antioxidants".
The exercise increases free radical production which can be counteracted by antioxidants in the body. This information is very important to improve health status and maintain a balanced lifestyle.
I believe the answer would be A. Exporter
Hoped this helped!
God Bless! :)