What portion of the brain controls conscious thought and movement
Cerebrum
What is gray matter mainly composed of?
Cell bodies
What is a signal sent by a neuron called?
Action Potential
This pathway is responsible for sending sensory information to the brain
Ascending pathway
This pathway is responsible for rest and digest
parasympathetic nervous system
What portion of the brain connects to the spinal cord
What is white matter mainly composed of?
Axons
What is the white substance that surrounds axons called?
Myelin Sheath
This pathway is responsible for sending messages from the brain to the body
an involuntary response to stimulus is what?
reflex
What is the superior portion of the brain stem called?
Midbrain
What is the hard outer layer of the meninges called?
Dura mater
Where do axons send and receive messages from one another?
synapses
This system is responsible for the fight or flight response
sympathetic nervous system
What structure connects the left and right hemisphere of the cerebrum
Corpus Callosum
What is the inferior portion of the brain stem?
Medulla Oblongata
What portion of the meninges is highly vascular and follows the ridges of the brain?
Arachnoid mater
What part of an axon receives messages?
Dendrites
This pathway is responsible for voluntary movement
Together the PSNS and SNS create what nervous system
autonomic nervous system
What are the valleys of the ridges of the brain called
Sulci
What portion of the meninges is nonvascular and is filled with fluid?
Pia Mater
What part of an axon sends messages?
Axon Terminal
This pathway is responsible for non-voluntary movement
extra pyramidal pathway
This pathway by which sensory nerves communicate with muscle nerves in the spinal cord
reflex arc