2.1 Nervous System Review

The NERVOUS SYSTEM consists of

• the brain only

• the brain and spinal cord

• neurons only

• the brain, the spinal cord and neurons

The impulses that neurons transfer are

• radioactive

• electrical

• mechanical

• emotional

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The CENTRAL nervous system consists of

• the brain only

• the brain and spinal cord

• neurons only

• the brain, the spinal cord and neurons

An example of a body responding to stimuli is

• taking a walk

• petting your cat

• your mouth watering when you smell food

• watching tv

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The nervous system that is your body's control center, responsible for interpreting signals and making decisions is the

• central nervous system

• peripheral nervous system

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The most complex organ in the body is the

• heart

• brain

• lungs

• skin

The bundle of nerves that run up and down the length of the back and transmit most messages between the body and brain is called the

• stimuli

• neurons

• brain

• spinal cord

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Another name for a nerve cell is

• tissue

• system

• neuron

• brain

The process of receptor cells in the body telling the brain what it is experiencing, and the brain sends back a message telling the body how to react, take about

• a fraction of a second

• several seconds

• a minute

• several minutes

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The nervous system that is responsible for reasoning, attention, and logic is the

• central nervous system

• peripheral nervous system