The answer to this is Isometric because these exercises are done in a static position.
I think it is (A) using “you” messages
Integrity is the answer I would put. Doing honest things even when nobody is looking.
Answer:
CNS myelin is produced by special cells called oligodendrocytes. PNS myelin is produced by Schwann cells. The two types of myelin are chemically different, but they both perform the same function — to promote efficient transmission of a nerve impulse along the axon.