Figure 20.10: The woman pictured here is just pretending to be frightened, but assuming
that she really was scared, think of which division of the autonomic nervous system would
prepare her body for an emergency. ( 40 )
division prepared him to deal with the emergency by increasing his heart rate. The fact that
this happened in the blink of an eye shows how amazing the nervous system is.
Lesson Summary
- The nervous system controls all the other systems of the body.
- Neurons are nerve cells that carry nerve impulses. The central nervous system is made
up of the brain and spinal cord. - The peripheral nervous system consists of all the rest of the nerves in the body.
Review Questions
- List three functions of the nervous system.
- Describe a neuron and identify its three main parts.
- What structures make up the central nervous system?
- Name the lobes of the cerebrum and state one function of each lobe.
- What are the two major divisions of the peripheral nervous system?(Beginning