What happens when the spinal cord is injured
a) the parts of the body using the damaged areas lose sensation
b) the effected neurons in the cns regenerate gradually.
c) the path of impulses in the nervous system may be disrupted.
d) both (a) and (b)

answer: mannn ion even know fam

explanation: just try asking yoo teacher yo parents or just simply another sight

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.