4. An impulse from the brain to the biceps brachii is a. an impulse from the CNS to the PNS. The portion of the PNS is the
somatic system.
b. an impulse from the CNS to the PNS. The portion of the PNS is the
autonomic system.
c. an impulse from the PNS to the CNS. The portion of the PNS is the
somatic system.
d. an impulse from the PNS to the CNS. The portion of the PNS is the
autonomic system.

is this for a quiz or somethin?

explanation:

obviously, the latter.

i need the a b or c but mental disorders include repetitiveness,unable to listen, wanting to kill people, thinking that you are perfect, sexuality toward the wrong age types younger than you like a child bad reputations cutting yourself abuse! these are sad but these are true! the titles for some of these are ptsd and adhd. you need to go to jail or get an expert counselor if you face any of these problems or if you have indeed been involved!