Understanding the Nervous System

What is the primary role of the brain in the nervous system?

• To control the body's movements and responses

• To digest food

• To filter waste from the body

• To circulate blood

How does the nervous system respond when you stub your toe?

• The heart rate increases to pump more blood to the toe

• The muscles in the toe contract to prevent further injury

• The spinal cord sends a message to the brain, which then tells the mouth to say 'ouch'

• The brain sends a signal to the toe to stop hurting

Which of the following is NOT considered a sensory organ?

• Eyes

• Skin

• Liver

• Nose

What sense is associated with the olfactory system?

• Taste

• Hearing

• Smell

• Touch

Which sense is processed by the gustatory system?

• Smell

• Hearing

• Taste

• Sight

What part of the brain is responsible for voluntary muscle control?

• Cerebellum

• Cerebrum

• Brain stem

• Medulla

Which part of the brain helps with balance and coordination?

• Cerebrum

• Cerebellum

• Medulla

• Brain stem

What is the function of the brain stem?

• To regulate emotions

• To control voluntary actions

• To connect the brain to the spinal cord and control involuntary actions

• To process visual information

What is the primary function of the integumentary system?

• To produce hormones

• To aid in digestion

• To protect the body from external harm

• To regulate body temperature

Which of the following is a component of the integumentary system?

• Lungs

• Heart

• Skin

• Kidneys