The Nervous System

What is the function of the nervous system?

• To remove wastes from the body

• •To coordinate the actions of the body through electrical impulses.

• To provide the body's tissues with oxygen

• To absorb nutrients into the bloodstream from digested food

Identify the structure indicated by the arrow

• Cell Body

• Axon

• Myelin Sheath

• Dendrite

True or False: Sensory neurons carry impulses from the central nervous system to the effector organ

• True

• False

What components make up the central nervous system?

• The brain

• The spinal cord

• The brain and spinal cord

• Motor neurons

Which one of the following is NOT a type of neuron?

• Somatic

• Sensory

• Motor

• Interneurone

Which of the following is responsible for detecting pain?

• Mechanoreceptors

• Thermoreceptors

• Chemoreceptors

• Photoreceptors

Define a reflex