Divisions of the nervous system

What is the main purpose of dividing the nervous system into parts?

• To learn about individual organs.

• To understand how the entire system works together.

• To confuse students.

• To simplify the study of anatomy.

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NGSS.MS-LS1-3

The central nervous system consists of which two components?

• Brain and lungs

• Brain and heart

• Spinal cord and nerves

• Brain and spinal cord

What is the role of sensory receptors?

• To provide food to the brain

• To process information

• To detect environmental changes

• To send information from the brain

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NGSS.MS-LS1-8

The peripheral nervous system includes which of the following?

• Nerves branching from the brain and spinal cord

• Only sensory receptors

• The heart and lungs

• Only the brain

Which division of the nervous system is responsible for voluntary movements?

• Sensory division

• Somatic division

• Autonomic division

• Central division

What does the autonomic division control?

• Sensory input

• Conscious decisions

• Automatic bodily functions

• Voluntary muscle movements

The sympathetic division is most closely associated with which response?

• Eating and digestion

• Sleep and relaxation

• Rest or digest

• Fight or flight

Which of the following is a function of the parasympathetic division?

• Promoting relaxation

• Heightening alertness

• Inhibiting digestion

• Increasing heart rate

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NGSS.HS-LS1-3

What happens to pupils under sympathetic stimulation?

• They constrict

• They remain the same

• They dilate

• They disappear

Why does the body prioritize certain functions during

• To enhance digestion

• To ensure survival

• To conserve energy

• To promote sleep