Nervous and Integumentary Systems

How are neurotransmitters different from the impulses that travel along the bodies of nerve cells?

• The impulses are electrical; neurotransmitters are chemical.

• The impulses travel at a faster rate than neurotransmitters.

• The impulses send signals from the body to the brain; neurotransmitters send signals from the brain to the body.

• The impulses occur constantly; neurotransmitters are released only occasionally.

Where in your body do you find nerve cells? Choose the best answer.

• In your brain

• In your spinal cord

• In your neurons

• In all parts of your body

A disorder called CIPA prevents certain people from feeling pain. What can you infer about these people?

• They are capable of amazing feats of strength.

• Their brains do not function properly, so they can't think clearly

• . They often injure or burn themselves without realizing it.

• They tend to live extremely long lives

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Give an example of a stimulus and the response your body may have.

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The diagram above shows the two main parts of the human body’s central nervous system.

According to the diagram, which term best describes the brain?

• cell

• tissue

• organ

• organ system

The eyes receive visual signals from the environment. This information is transmitted to the brain. Which body system does this process describe?

• integumentary

• circulatory

• nervous

• digestive

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Which is the main control center of the nervous system?

• brain

• heart

• spinal cord

• lungs

The protective covering of an organism, such as skin, hair and nails

• nervous system

• circulatory system

• muscular system

• integumentary system

The structure in the nervous system that carries messages to and from the spinal cord and brain

• axon

• cell body

• neuron

• stimulus

The brain is protected by the –

• skull

• vertebra

• ribcage

• collar bone