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Jame Wong

ANS,CNS,PNS

QuestionAnswer
What are the main components of the CNS? The brain and spinal cord.
What are the main components of the PNS? Cranial nerves and spinal nerves.
What are the two main divisions of the ANS? Sympathetic and parasympathetic nervous systems.
What is the primary function of the CNS? To process and coordinate sensory data and motor commands.
What is the primary function of the PNS? To connect the CNS to the limbs and organs.
What is the primary function of the ANS? To regulate involuntary body functions like heart rate and digestion.
What is the role of the sympathetic nervous system? To prepare the body for ‘fight or flight’ responses.
What is the role of the parasympathetic nervous system? To promote ‘rest and digest’ activities.
What are neurons? Cells that transmit nerve impulses.
What are glial cells? Cells that support and protect neurons.
What is a synapse? The junction between two neurons where impulses pass.
What are neurotransmitters? Chemicals that transmit signals across a synapse.
What is a reflex arc? The neural pathway that controls a reflex action.
What is the cerebrum responsible for? Higher brain functions like thought and action.
What is the cerebellum responsible for? Coordination of voluntary movements and balance.
What is the brainstem responsible for? Basic life functions like breathing and heartbeat.
What is the function of the spinal cord? To transmit information between the brain and the rest of the body.
What do afferent neurons do? Carry sensory information to the CNS.
What do efferent neurons do? Carry motor commands from the CNS to muscles and glands.
What are ganglia? Clusters of neuron cell bodies in the PNS.
Created by: jamewong415
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