Nervous System Quiz

What is the function of the nervous system?

• Pumping blood

• Controlling body movements and sending messages

• Digesting food

• Breathing in oxygen

What is the basic unit of the nervous system?

• Cell membrane

• Neuron

• Blood vessel

• Muscle

The brain and spinal cord make up the:

• Peripheral nervous system

• Circulatory system

• Central nervous system

• Digestive system

What do neurons carry?

• Water

• Blood

• Electrical signals (nerve impulses)

• Food

Which part of the neuron receives signals from other neurons?

• Axon

• Dendrites

• Myelin sheath

• Synapse

Which neuron carries messages from the body to the brain?

• Motor neuron

• Sensory neuron

• Interneuron

• Reflex neuron

What is the function of motor neurons?

• To detect pain

• To carry messages from the brain to muscles

• To store memories

• To send oxygen to the brain

Which type of neuron connects sensory and motor neurons?

• Sensory neuron

• Motor neuron

• Interneuron

• Reflex neuron

What protects the spinal cord?

• Skin

• Lungs

• Vertebrae (backbone)

• Muscles

What is the function of the myelin sheath?

• To protect the brain

• To speed up nerve impulses

• To carry blood to neurons

• To store information