Answer:
d and a
Explanation:
the central nervous system is the central obviously and the peripheral nervous system takes the information the CNS wants to send and send thm to the correct organ.
Other possibly contributory lifestyle factors include alcohol consumption, stress, diet, exercise, disease, and medication. In summary, the genetic influences on aging may be highly overrated, with lifestyle choices exerting far more important effects on physical aging.
I think it's D. all of the above
