The Nervous System

The structures that control the actions of the body in response to stimuli from the environment; it is formed by billions of specialized nerve cells called neurons

• Dendrite

• Nervous System

• Spinal Cord

• Neuron

branchlike extension of a neuron that receives impulses from neighboring neurons

• Dendrite

• Nervous System

• Spinal Cord

• Neuron

a nerve cell that is specialized to receive and conduct electrical impulses

• Dendrite

• Nervous System

• Spinal Cord

• Neuron

A column of nerve tissue running from the base of the brain through the vertebral column

• Dendrite

• Nervous System

• Spinal Cord

• Neuron

An elongated extension of a neuron that carries impulses away from the cell body

• Dendrite

• Axon

• Spinal Cord

• Neuron

the organ that is the main control center of the nervous system

• Dendrite

• Nervous System

• Spinal Cord

• Brain

Zeke saw a pen he dropped on the floor. He bent down and picked up the pen. His brain had to receive information from the eyes. Then it sent signals to his muscles so he could pick up the pen. What type of neurons sent impulses to his muscles?

• Sensory Neurons

• Motor Neurons

Mae puts on her new winter scarf. Signals are sent to her brain telling her that the scarf is soft. Which sense provides her brain with this information?

• Touch

• Sight

• Hearing

• Taste

• Smell

What is the role of the nervous system in the body?

• To protect other organs and tissues

• To send messages using blood cells

• To gather and respond to information

• To transport oxygen and carbon dioxide

The pupil opens and closes automatically in response to light. What part of your nervous system controls this response.

• The Central Nervous System

• The Peripheral Nervous System