Which best describes the parasympathetic nervous system? a. the spinal cord and the brain
b. rest and digest
c. fight or flight
d. the sensory and motor neutrons

A, The spinal cord and brain are major organs of the parasympathetic nervous system, which belongs to the autonomic nervous system, is the one that directs involuntary movements and acts from the brain to the spinal cord controlled by nerves and body energy and the neurotransmitter.

If it doesn't have a nucleus its a prokaryote