The Nervous System (CNS)

What is "stimuli"?

• What your body does to a change or a signal.

• A change or a signal your body receives.

• A major organ in the brain that is a part of the nervous system.

• The control centre of the body.

Name the two major parts of the the central nervous system.

• The brain and the skull.

• The brain and the body.

• The spinal cord and the brain.

• The spinal cord and the body.

A _________ is what your body does in reaction to a stimuli.

• reaction

• response

• change

• action

What are the two divisions of the nervous system?

• The sympathetic and parasympathetic nervous system.

• The brain and the spinal cord.

• The central and peripheral nervous system.

• The autonomic and somatic nervous system.

The central nervous system ________________

• is the control centre of the body.

• is the main body system.

What does the nervous system do?

• Pumps blood from your heart to your body.

• Carries messages back and forth between your brain and the rest of your body.

• Breaks up food to digest.

• Secretes hormones in your body.

What are the three main parts of the nervous system?

• Brain, heart, blood vessels.

• Blood vessels, spinal cord, brain.

• Brain, spinal cord, neurons.

• Heart, blood vessels, brain.

What kind of cells make up the nervous system?

• Plasma.

• Neurons.

• Blood vessels.

• Spinal cord.

What is the part of the neuron that receives messages from other neurons?

• Axon.

• Dendrite.

• Cell body.

• Schwann cell.

Identify the part of the neuron.

• Axon.

• Axon terminal.

• Dendrite.

• Node of Ranvier.