The Nervous System

(a)   is the organ that controls body functions

(a)   are nerves that send messages between the brain and the body

(a)   are different parts of the body working together

What is the main organ of the nervous system?

• Brain

• Liver

• Lungs

• Heart

How do nerves send signals to the brain?

• Through the veins

• By traveling up the spinal cord

• Through the stomach

What is the job of neurons in the body?

• Digest food

• Pump blood

• Transport and store information

Which sense allows us to see using our eyes?

• Touch

• Sight

• Taste

• Smell

What is the function of the olfactory nerve?

• Controlling heartbeat

• sending signals about smell

• message to the brain about the smell

What does the nervous system control in the body?

• Digestion of food

• growth of nails

• singing ability

True or False: The nervous system does not work while you are asleep.

• True

• False