The sympathetic and parasympathetic nervous systems are both part of which division of the nervous system? the central nervous system
the peripheral nervous system
the somatic nervous system
the autonomic nervous system

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point