Question

organization of the nervous system

1. choose the key responses that best correspond to the descriptions provided in the following statements. insert the appropriate letter or term in the answer blanks.

key choices
a. autonomic nervous system c. peripheral nervous system
b. central nervous system d. somatic nervous system
______ 1. nervous system subdivision that is composed of the brain and spinal cord.
______ 2. subdivision of the pns that controls voluntary activities such as the activation of skeletal muscles.
______ 3. nervous system subdivision that is composed of the cranial and spinal nerves and ganglia.
______ 4. subdivision of the pns that regulates the activities of the heart and smooth muscle, and of glands; it is also called the involuntary nervous system.
______ 5. a major subdivision of the nervous system that interprets incoming information and issues orders.
______ 6. a major subdivision of the nervous system that serves as communication lines, linking all parts of the body to the cns.

Explanation:

Question 1

The Central Nervous System (CNS) is defined as the part of the nervous system consisting of the brain and spinal cord. So the correct option is B.

The Somatic Nervous System is the part of the Peripheral Nervous System (PNS) that controls voluntary movements, including the activation of skeletal muscles. So the correct option is D.

The Peripheral Nervous System (PNS) includes all the nervous tissue outside the CNS, such as cranial nerves, spinal nerves, and ganglia. So the correct option is C.

Answer:

B. Central nervous system

Question 2