I believe that it relates to or involves free oxygen, if it is used in exercise- aerobic practices help improve the the efficiency of the body's cardiovascular system with absorbing and transporting oxygen.
Hope this helps
If the stroke was on one side it effects the other side
There main function is to help with your peripheral vision.
The answer is D. dating in secluded places. If you are alone it is easier to be peer pressured and it is easier for the person to take advantage of you.