Nervous System and Its Functions

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What is the role of the sympathetic nervous system?

Mobilize energy in cases of emergencies (correct)

Promote relaxation in organisms

Transmit signals from the body to the CNS

Mediate voluntary movement

Which part of the nervous system first arose in wormlike organisms about 550 to 600 million years ago?

Motor nerves

Peripheral nervous system

Central nervous system

Nervous tissue (correct)

What are the nerves that transmit signals from the brain called?

Sensory nerves or afferent nerves

Mixed nerves

Spinal nerves

Motor nerves or efferent nerves (correct)

What is the main function of the autonomic nervous system?

Regulate involuntary bodily functions Signup and view all the answers

What does the peripheral nervous system mainly consist of?

Nerves, which are enclosed bundles of long fibers that connect the CNS to every other part of the body. Signup and view all the answers

What is the main function of the parasympathetic nervous system?

Activating relaxed state in organisms Signup and view all the answers

Which part of the nervous system consists of the brain and spinal cord?

Central nervous system Signup and view all the answers

What are nerves that transmit signals from the body to the central nervous system called?

Sensory nerves Signup and view all the answers

Which subsystem of the peripheral nervous system mediates voluntary movement?

Somatic nervous system Signup and view all the answers

What is the main function of the sympathetic nervous system?

Mobilizing energy in emergencies Signup and view all the answers

Nervous System and Its Functions

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Questions and Answers

What is the role of the sympathetic nervous system?

Which part of the nervous system first arose in wormlike organisms about 550 to 600 million years ago?

What are the nerves that transmit signals from the brain called?

What is the main function of the autonomic nervous system?

What does the peripheral nervous system mainly consist of?

What is the main function of the parasympathetic nervous system?

Which part of the nervous system consists of the brain and spinal cord?

What are nerves that transmit signals from the body to the central nervous system called?

Which subsystem of the peripheral nervous system mediates voluntary movement?

What is the main function of the sympathetic nervous system?

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