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प्रश्न
What does the central nervous system in humans consist of? What is the job of the central nervous system?
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उत्तर
The central nervous system consists of the brain and the spinal cord. It is responsible for the coordination and control of the activities of the nervous system. It directs incoming messages to the motor neurons which are connected to the part of the body that will respond to a stimulus.
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संबंधित प्रश्न
Differentiate between voluntary and involuntary movements.
Write the names and functions of three parts of human nervous system in which it is divided.
Name the three components of a neuron (or nerve cell).
Name the three types of nerves which constitute the peripheral nervous system.
What is voluntary nervous system? Explain the working of the voluntary nervous system with an example.
What is a neuron?
State whether the following statement is true (T) or false (F):
The pigment melanin is present in inner layers of skin epidermis.
What are sense organs?
State whether the following statement is true (T) or false (F):
The largest part of the brain is the cerebrum.
Given below is a certain structure. Write against them its functional activity.
Olfactory nerve and ______.
Complete the following table by filling in the blank spaces.
| Structure | Function |
| Yellow Spot | |
| Transfers impulse from inner ear to brain | |
| Helps to change the focal length of the eye lens | |
| Spinal cord | |
| Oval window | |
| Dynamic equilibrium |
Match the terms of column I with those of column ll
| Column l | Column ll |
| (i) Lens | (a) Adjustment of light rays |
| (ii) Lachrymal gland | (b) Vision |
| (iii) Olfactory epithelium | (c) Secretion of tear |
| (iv) Cochlea | (d) Balance of the body |
| (v) Semicircular canal | (e) Hearing |
| (vi) Eyes | (f) Smell |
Give Technical Term:
The part of the central nervous system in which the gray matter is located on the outer side and the white matter on the inner side.
State the Function:
Cerebrum
State the Function:
Myelin sheath
The brain, the spinal cord and nerves form the nervous system.
Identify the motor nerves.
What constitutes the central and peripheral nervous systems? How are the components of central nervous system protected?
Stimulation of nerves of the sympathetic nervous system ______.
