Nervous system
For study purposes, the nervous system may be divided structurally into two parts.
What is peripheral nervous system and central nervous system?
The brain consist of these things.
What is the cerebrum, diencephalon, brain stem and cerebellum?
The amount of spinal nerves that connect with the spinal cord.
What is Thirty-one pairs?
ANS meaning
What is the Autonomic nervous system ?
A whitish, fatty substance that surrounds certain axons of the nervous system.
What is myelin?
The central nervous system consists of these two things.
What is the brain and the spinal cord?
The largest part of the brain.
What is the cerebrum?
Nerves are grouped in the following segments.
What are cervical:8, Thoracic:12, Lumbar:5, Sacral:5 and Coccygeal:1c
The two divisions of the ANS system
What is the sympathetic nervous system and the parasympathetic nervous system?
The junction between two neurons
What is a synapse?
The peripheral nervous system consist of these things.
What is cranial nerves and spinal nerves ?
Three protective layers that together are called the meninges.
What are the dura mater, arachnoid mater and Pia mater?
Root that carries sensory impulses into the cord.
What is the dorsal or posterior root?
This system motivates our responses to stress.
What is the sympathetic nervous system?
The posterior portion of the brain dorsal to the pons and medulla
What is the cerebellum?
Functionally the nervous system can divided into two things.
What is the somatic nervous system and the autonomic nervous system?
There are twelve pairs that connect with the brain.
What are cranial nerves?
Root that carries motor impulses away from the cord.
What is ventral or anterior root?
This system returns the body to a steady state and stimulates maintenance activities.
What is the parasympathetic nervous system?
The strong , fibrous outermost layer of the meninges
What is the dura mater?
The nervous systems basic functional unit.
What is a neuron?
Within the brain are four ventricles in which this fluid is formed.
What is cerebrospinal fluid?
A simple response that requires few neurons.
What is a reflex?
The division of the nervous system that controls the involuntary actions of muscles and glands.
What is the ANS?
The part of the brain that controls the pituary gland and maintains homeostasis
What is the hypothalamus?