Neurotransmitters is chemical thing that has at sinaps...it function to sending electric impuls to axon..if neurotransmitters in the low level that makes a impuls slow to arrive the body..so reaction of body can slow motion..neurotrasmitters are slow when you takes a bad chemical thing as carbon monoxide and more...
Answer: HI I think i can help You!
B is the correct answer
Explanation:
This is necessary because if it ISN'T instinct then the young would die far more often.
The first one and the fourth one
