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Central Nervous System

The brain and spinal cord

Peripheral Nervous System

the sensory and motor neurons that connect the central nervous system to the rest of the body

Sensory Somatic

conscience control over all skeletal muscles


This nervous system provides involuntary control over smooth muscle, cardiac muscle, and glands.


Branch of the nervous system that prepares the body for an emergency


Branch of nervous system that prepares for homeostasis

Sense Receptors

detect stimulus


transmits stimulus


in response to stimulus the muscles and glands produce hormones


Basic unit of the Nervous System


a part of a neuron that carries impulses away from the cell body


branching extensions of neuron that receives messages from neighboring neurons

Mylen Sheath

insulates neuron and makes the messages transmit quicker

Sensory Neuron

transmits messages from receptor to CNS


transmits messages within the CNS

Motor Neuron

transmits messages fro CNS to the effector


a nervous response without conscious control by the brain


Spaces between neurons where impulses cross


chemicals that allow the transmissions to cross the synapse


part of the brain that controls personality, thinking, ability to taste and talk, sight etc


part of the brains that controls muscle coordination, balance, and muscle tone


part of the brain that is responsible for involuntary actions like muscle movement, heart beat, gland secretion and digestion


hollow interconnecting chambers filled with Cerebrospinal Fluid

Cerebrospinal Fluid

fluid that protects brain from trauma


a membrane 3 layers thick that protects the brain and spinal cord

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