The Nervous System

Our ______ receive messages and send them to the brain. The brain sends messages to our body on how to respond.

• heart

• lungs

• nerves

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This system controls everything you do.

• Nervous system

• Olfactory system

• Respiratory system

• Endocrine system

Without the nervous system, you couldn't

• walk

• breathe

• think

• all of the above

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The nervous system is made up of these three parts:

• Brain, heart, and spinal cord

• Brain, spinal cord, and nerves

• Nerves, arteries, and veins

• Nerves, liver, and heart

What is the main function of the nervous system?

• clean waste from the cells
• absorb nutrients for energy
• deliver messages to the brain

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When you react to catch a dropped ruler your body reacts in this order:

• 1) muscles contract 2) eyes sense ruler move 3) message sent to brain 4) message sent to the muscles
• 1) message sent to muscles 2) muscles contract 3) message sent to brain 4) eyes sense ruler move
• 1) eyes contract 2) muscles sent to brain 3) message sense moves 4) ruler is sent to muscles
• 1) eyes sense ruler move 2) message sent to brain 3) message sent to muscles 4) muscles contract

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The function of the nervous system can best be described as

• nutrient delivery
• movement and support
• protection and thermoregulation
• control and communication

The part of the nervous system that regulates involuntary functions is known as the

• central nervous system
• peripheral nervous system
• autonomic nervous system
• somatic nervous system

The peripheral nervous system (PNS) consists of all nerve tissue located

•  in the brain and spinal cord
• in the brain only
• in the spinal cord only
• outside of the brain and spinal cord 

The central nervous system (CNS) consists of

• the brain, only
• the brain and spinal cord
• the brain, spinal cord, and spinal nerves
• the brain and cranial nerves