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which neurons carry impulses TO cell body?
Dendrites
Which neurons carry impulses AWAY from cell body?
Axons
What are the devisions of the nervous system?
CNS, and PNS
Divisions of the brain
cerebrum, diencephlaon, brain stem, cerebellum
What is the largest part of the brain?
Cerebrum
What forms blood-brain barriers?
Astrocyte
What are the anatomic decisions included in the PNS?
Cranial and spinal nerves
Which devision is rest and digest?
Parasympathetic
What connects with the spinal cord
Medulla oblongata
The meningies layers in order are?
Dura matter, arachnoid, and pia matter
what is the definition is nerve impulse?
Wave of electrical disturbances that travel along the surface of a neuron membrane
neurotransmitters cross what type of cleft?
Synaptic cleft
The autonomic nervous system regulates the action of what?
They regulate the action of glands, smooth muscle of hallow organs and vessels, and heart muscle.
What is the function of the occipital lobe?
Contains visual association
The thalamus sorts what type of impulses?
Sensory
Action potential transmission
action potentials between nodes do what for transmission of conduct?
They jump between nodes for faster transmission of conduction
Pre somatic cell release?
Chemical signals in response to an action potential
What part of the brain is the pituitary gland attached to?
Thalamus
How many lobes are in each hemisphere and what are they?
5 lobes, they are frontal, parietal, temporal, occipital, and insula
Sympathetic neurotransmitters are both?
Acetocholine, and norepinephrine
Plasma membrane are what?
Polarized
Which ventricle is continuous with the central canal of the spinal cord?
4th ventricle
Outer layer of nervous tissue is called the? And is covered in what?
Cerebral cortex and covered in gray matter
Hippocampus is ?
Formation of new memories/ learning