2 lighter nuclei combining to form one heavier nucleus is called a "fusion" reaction
Answer:
your body produces melatonin it is to help you fall asleep
Explanation:
<span>deoxyribonucleic acid or DNA. </span>
The correct answer for the above question is D. that the peripheral system includes all the nerves and neurons outside the brain and the spinal cord. The nervous system comprises the central nervous system, consisting of the brain and spinal cord, and the peripheral nervous system, consisting of the cranial, spinal, and peripheral nerves, together with their motor and sensory endings.