Science Flashcards
Central Nervous System
Brain and spinal cord
The peripheral nervous system
nerves/nerouns
The main purpose/function of the nervous system
Sends signals between brain + body/Communication throughout the body
The space between 2 neurons where messages are transmitted./ Neurons transmit signals through______
Synapses
Brains role
Processes info, Headquarters, Control center.
Send messages from the body (sensory receptors) to the brain, or Brain to body.
Spinal cord role
Reflex
Quick automatic reaction to a stimulus/Does not directly involve the brain/short-cut
two main parts of NS
Central and Peripherial
Autonomic
Involentary movements
autonomic movments,list them
breathe, blink heart beat
somatic
volentary movements
somatic movements, list them
walking, jumping dancing
parasympathetic
rest and digest
what happens when parasympathetic
-decrease heart rate
-increase digestion
-energy recharge
sympathetic
fight or flight
what happens when sympathetic
-increase heart rate
-decrease digestion
-sweat
