Basic Nervous SYstem Anatomy

1.What does CNS and PNS stand for?
~Central Nervous System(CNS), and Periperal Nervous System(PNS)
2.What are the parts of the CNS?
~Brain and Spinal Cord
3.Describe something that you do on a regular basis that your PNS controls.
~Try not to use the bathroom on your self.
4.What are the two divisions of the autonomic nervous system and what does each control?
~Sympathetic - controls the body in times of stress, worry, fear and emergency
~para-sympathetic - brings the body back to normal state ans allows for rest and relaxation to occur.
5.What are the three main types of neurons? What is the function of each?
~Sensory neuron - conducts the impulse from the foot to the CNS.
~motor neuron - -Carries the impulse from the CNS to your muscle for an action
~interneuron - Converts the impulse through the CNS
6.What is the function of the axon of a nerve cell? The dendrite?
~the axon sends the end of a neuron. The dectrite is the receiving end.
7.What is a synapse?
~it is a sparking or jumping of a neural impulse from one neuron to another.
8.Sketch a neuron and label the axon and the dendrite.
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