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प्रश्न
What is the function of our nervous system?
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उत्तर
The function of the nervous system is to coordinate the activities of our body. The nervous system helps all the other systems of our body to work together.
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संबंधित प्रश्न
Write a and b in the given flow chart of the neuron through which information travels as an electrical impulse.
Write the names of the indicated parts 1 to 6 in the following diagram:
Name the structural and functional unit of the nervous system.
Multiple choice question. Tick (✓) the correct choice:
Pinna is a part of
- inner ear
- external ear
- middle ear
- tongue
Name the three main parts of the human brain.
Define the following:
Neuron
Mention if the following statement is true (T) or false (F) Give reason.
Flavour and taste are one and the same thing.
Select the odd one in the following series:
Parasympathetic, Sympathetic, Cranial nerve.
Define the following:
Nerve impulse
Nervous and hormonal systems together perform the function of control and coordination in human beings. Justify this statement with the help of an example.
What are thermoreceptors?
Explain the Term: Ganglion
Explain the Term: Voluntary-action
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.
Mention, if the following statement is True or False
Spinal nerves and cranial nerves constitute the central nervous system.
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with the suitable idea given in Column ‘I’.
| Column I | Column II | ||
| (i) | Auditory canal | (a) | Channels pressure waves of air into the middle ear. |
| (ii) | Auditory (Eustachian tube) | (b) | Collects pressure waves of air. |
| (iii) | Auditory nerve | (c) | Converts pressure waves of air into vibrations of bone. |
| (iv) | Incus | (d) | Dissipates sound waves. |
| (v) | Malleus | (e) | Equalizes pressure between the middle ear and the atmosphere. |
| (vi) | Oval window | (f) | Provide information about the spatial orientation of the head. |
| (vii) | Pinna | (g) | Transfers vibrations from a bone to a fluid. |
| (viii) | Round window | (h) | Transfers vibrations from a bone to a membrane. |
| (ix) | Semi-circular canal | (i) | Transfers vibrations from a bone to a bone. |
| (x) | Stapes | (j) | Transfers vibrations from a membrane to a bone. |
| (xi) | Tympanic membrane | (k) | Transmits action potential to the auditory cortex. |
Which is the ninth cranial nerve in humans?
Identify the lobe which has centre for visual functions.
Trace the sequence of events which occur when you suddenly touch a hot object.
