EVERYDAY SCIENCE

SCIENCE

NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the two major structural divisions of the nervous system?
A
The brain and spinal cord
B
The central nervous and peripheral nervous system
C
The neurons and the dendrites
D
The cerebrum and the medulla
Explanation: 

Detailed explanation-1: -The central nervous system is made up of the brain and spinal cord. The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body. 01-Oct-2018

Detailed explanation-2: -Nervous tissue, present in both the CNS and PNS, contains two basic types of cells: neurons and glial cells.

Detailed explanation-3: -The central nervous system (defined as the brain and spinal cord) is usually considered to have seven basic parts: the spinal cord, the medulla, the pons, the cerebellum, the midbrain, the diencephalon, and the cerebral hemispheres (Figure 1.10; see also Figure 1.8).

Detailed explanation-4: -Your central nervous system includes two organs, your brain and spinal cord. Your peripheral nervous system is everything else and includes nerves that travel from your spinal cord and brain to supply your face and the rest of your body.

Detailed explanation-5: -The PNS has two main divisions, the somatic system that regulates voluntary responses of the body, and the autonomic system that regulates the involuntary responses of the body.

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