Answer:
The central nervous system is made up of the brain and spinal cord.
The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.
Explanation:
Answer:
usually around two to four weeks
Explanation:
Answer:
Delta waves
Explanation:
Stage 3 and stage 4 are described as slow wave sleep that is marked by a predominance of delta waves
Explanation:
everything can be found in the picture above. hope it helps.