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Nervous System

Across
Is a depressant that slows down the central nervous system
This coordinates voluntary muscle movements and maintains balance and muscle tone.
Carries messages away from the cell body.
Receiver information and send impulses to the brain or spinal cord.
Receive messages away from the cell body.
Failure of nerve cells in the brain to communicate.
This is made up of all the nerves outside of the Central Nervous System and connect the brain and spinal cord to other body parts.
Is marked by many ridges and grooves
This is where senses are interpreted, memory is stored and controls the voluntary muscles.
Is an extension of the bran stem that is made up of bundles of neurons that carry impulses from all parts of the body to the brain and back to your body.
Relay the impulses from the sensory to motor neurons.
Nerve cell that carries impulses throughout the body.
The small space where an impulse moves from one neuron to another.
Altered states of perception and feeling. Can cause users to see images, hear sounds, and feel sensations that seem real but to not exist.
Down
The regulation of steady, life-maintaining conditions inside and organism or cell, despite changes in it's environment.
Nerve cell that conducts impulses from the brain or spinal cord to muscles or glands throughout the body.
Central Nervous System
Is a stimulant that speeds up the activity of the central nervous system
This is made up of the brain and spinal cord.
This controls involuntary muscle movements like blood pressure, breathing and heartbeat.
Controls the heartbeat rate, breathing, digestion and gland functions.
Consists of the cranial and spinal nerves that go from the central nervous system to the skeletal muscles.
Drugs that speed up the central nervous system, affecting heart rate and blood pressure.
An involuntary and automatic response to a stimulus.
Peripheral Nervous System