Understanding the Nervous System: A Quiz for Grade 14

What is the primary function of the nervous system?

• To circulate blood throughout the body

• To provide structural support to the body

• To send messages between the brain and the body

• To digest food and absorb nutrients

Which part of the nervous system is described as a 'supercomputer'?

• The sensory organs

• The brain

• The nerves

• The spinal cord

What role does the spinal cord play in the nervous system?

• It carries messages between the brain and the body

• It produces hormones

• It stores memories and controls emotions

• It detects changes in the environment

How do sensory nerves function in the nervous system?

• They regulate the body's temperature

• They store and retrieve memories

• They gather information from the senses and send it to the brain

• They send messages from the brain to the muscles

What happens when you touch something hot?

• The nerves stop functioning

• The spinal cord blocks the sensation

• The sensory nerves send a message to the brain about the heat

• The brain sends a message to the hand to hold on

What is the function of motor nerves?

• To send instructions from the brain to the muscles

• To regulate blood pressure

• To store memories

• To gather sensory information

Why is the nervous system compared to a messaging team?

• Because it stores and processes information

• Because it sends and receives messages quickly

• Because it delivers nutrients throughout the body

• Because it provides energy to the body

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

• To act as the control center for the body

• To transport oxygen to cells

• To digest food

• To produce hormones

What might happen if the nervous system doesn't work properly?

• The digestive system might speed up

• The heart might stop beating

• A person might feel numbness or tingling

• The body might become dehydrated

How does the nervous system help us enjoy music?

• By enhancing the sense of taste

• By increasing the heart rate

• By sending messages from the ears to the brain

• By storing the music in the brain