Answer:
I think a is most likely false
Knowing planes, body positions, directions and such can help people locate areas on the body more easily and precisely. One occupation could be a forensic pathologist who need to identify main points of interest on a body
Qi. (che) [Chinese] chi or ch'i; one of the basic substances that according to traditional Chinese medicine pervade the body; a subtle influence or vital energy that is the cause of most physiologic processes and whose proper balance is necessary for maintaining health.
i hope this helps
T-test is a principally a test of agility
In T-test you participant is required to run across 4 points that formed a huge Letter T, at which his time will be measured between set points
