Structures of the Nervous System Answers

Name and define the two types of impulses sent through the cranial and spinal nerves of the peripheral nervous system.

About how many neurons are in the brain?

Identify the nervous system responsible for calming the body and conserving energy.

Identify and explain how the central nervous system is supported and protected.

Which of the following best describes the function of the sympathetic nervous system?A.It creates equilibrium in the body.B.It arouses the body and expends energy.C.It raises the energy level of the body.D.It calms the body and conserves energy.

Identify the four main divisions of the peripheral nervous system and explain each one’s function.

The __________ nervous system is comprised of the brain and spinal cord. A.somaticB.peripheralC.sympatheticD.central

Controlling voluntary skeletal muscles is a function of the __________ nervous system.A.sympathetic B.somaticC.autonomicD.central

Control of glands and the muscles of internal organs is a function of the __________ nervous system.A.parasympatheticB.somaticC.peripheralD.autonomic

Which of the following is the best example of the function of the peripheral nervous system?A.It connects the central nervous system to the rest of the body.B.It commands the rest-and-digest and fight-or-flight functions of the body.C.It connects the central nervous system to the muscles of the body.D.It commands reflexes, digestion, heartbeat, and other functions of the body.