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Nervous system
Anatomy and Physiology I
| Question | Answer |
|---|---|
| What I the function of the nervous system? *important function? | Provides communication throughout the body along with the endocrine system. -detect changes in environments -evaluate information, initiate response. * maintaining homeostsis |
| What are the structures of the nervous system? | -Brain -Spinal cord -Nerves |
| What are the parts of the Central Nervous System (CNS)? | -Brain and Spinal cord |
| What are the responsibilities of the CNS? | -Integrates incoming sensory information -Evaluates the information -Initiates an ongoing response |
| What are the parts of the Peripheral Nervous System (PNS)? | -Cranial nerves and Spinal nerves |
| How many cranial and spinal nerves does a human being have? | -12 pairs of cranial nerves -31 pairs of spinal nerves |
| What are the two system parts to the PNS? | -Somatic nervous system (voluntary control) -Autonomic nervous system (involuntary control) |
| What is the peripheral nervous system made up of? | -Nerves -Ganglia |
| What are the two types of nerves? | -Afferent -Efferent |
| What is an Afferent nerve type? | -Carries incoming information, sensory impulses towards the brain and spinal cord. |
| What is an Efferent nerve type? | Outgoing motor impulses away from the brain and spinal cord and toward the muscles. |
| What kinds of nerves does the Autonomic nervous system have? | -Sympathetic nerves -Parasympathetic nerves |
| What are the functions and locations of sympathetic nerves? | -Pathways that exit the middle portions of the spinal cord -Prepares the body to meet the immediate threats to the internal environment -Fight or flight response |
| What are the functions and locations of the parasympathetic nerves? | -Pathways that exit at the brain or lower portions of the spinal cord -Coordinates the bodies normal resting activities -"Rest and Repair" division |
| What are the two cell types of the nervous system? | -Neuron -Glia |
| What are the parts to the Neuron? (7 parts) | -Cell body -Axon -Myelin sheath -White matter -Gray matter -Dendrites -Synapse |
Created by:
cchase0510
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